Re: [PATCH v1 4/5] misc: fastrpc: Add support to save and restore interrupted

From: kernel test robot
Date: Thu Aug 31 2023 - 21:50:26 EST

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Hi Ekansh,

kernel test robot noticed the following build warnings:

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on char-misc/char-misc-next char-misc/char-misc-linus linus/master v6.5 next-20230831]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Ekansh-Gupta/misc-fastrpc-Add-fastrpc-multimode-invoke-request-support/20230901-002929
base: char-misc/char-misc-testing
patch link: https://lore.kernel.org/r/1693499292-19083-5-git-send-email-quic_ekangupt%40quicinc.com
patch subject: [PATCH v1 4/5] misc: fastrpc: Add support to save and restore interrupted
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230901/202309010926.bLqVExVs-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230901/202309010926.bLqVExVs-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309010926.bLqVExVs-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

drivers/misc/fastrpc.c: In function 'fastrpc_context_alloc':
drivers/misc/fastrpc.c:663:29: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
663 | ctx->args = (struct fastrpc_invoke_args *)invoke->inv.args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_init_create_static_process':
drivers/misc/fastrpc.c:1494:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
1494 | ioctl.inv.args = (__u64)args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_init_create_process':
drivers/misc/fastrpc.c:1627:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
1627 | ioctl.inv.args = (__u64)args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_release_current_dsp_process':
drivers/misc/fastrpc.c:1710:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
1710 | ioctl.inv.args = (__u64)args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_device_release':
>> drivers/misc/fastrpc.c:1719:42: warning: unused variable 'n' [-Wunused-variable]
1719 | struct fastrpc_invoke_ctx *ctx, *n;
| ^
>> drivers/misc/fastrpc.c:1719:36: warning: unused variable 'ctx' [-Wunused-variable]
1719 | struct fastrpc_invoke_ctx *ctx, *n;
| ^~~
drivers/misc/fastrpc.c: In function 'fastrpc_init_attach':
drivers/misc/fastrpc.c:1856:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
1856 | ioctl.inv.args = (__u64)args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_invoke':
drivers/misc/fastrpc.c:1887:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
1887 | ioctl.inv.args = (__u64)args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_multimode_invoke':
drivers/misc/fastrpc.c:1928:33: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
1928 | einv.inv.args = (__u64)args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_get_info_from_dsp':
drivers/misc/fastrpc.c:1958:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
1958 | ioctl.inv.args = (__u64)args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_req_munmap_impl':
drivers/misc/fastrpc.c:2061:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
2061 | ioctl.inv.args = (__u64)args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_req_mmap':
drivers/misc/fastrpc.c:2159:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
2159 | ioctl.inv.args = (__u64)args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_req_mem_unmap_impl':
drivers/misc/fastrpc.c:2240:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
2240 | ioctl.inv.args = (__u64)args;
| ^
drivers/misc/fastrpc.c: In function 'fastrpc_req_mem_map':
drivers/misc/fastrpc.c:2309:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
2309 | ioctl.inv.args = (__u64)args;
| ^

vim +/n +1719 drivers/misc/fastrpc.c

0871561055e666 Abel Vesa 2022-11-25 1530
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1531 static int fastrpc_init_create_process(struct fastrpc_user *fl,
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1532 char __user *argp)
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1533 {
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1534 struct fastrpc_init_create init;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1535 struct fastrpc_invoke_args *args;
db2e49fb9bf108 Ekansh Gupta 2023-08-31 1536 struct fastrpc_enhanced_invoke ioctl;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1537 struct fastrpc_phy_page pages[1];
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1538 struct fastrpc_map *map = NULL;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1539 struct fastrpc_buf *imem = NULL;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1540 int memlen;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1541 int err;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1542 struct {
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1543 int pgid;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1544 u32 namelen;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1545 u32 filelen;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1546 u32 pageslen;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1547 u32 attrs;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1548 u32 siglen;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1549 } inbuf;
7f1f481263c3ce Jeya R 2022-02-14 1550 bool unsigned_module = false;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1551
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1552 args = kcalloc(FASTRPC_CREATE_PROCESS_NARGS, sizeof(*args), GFP_KERNEL);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1553 if (!args)
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1554 return -ENOMEM;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1555
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1556 if (copy_from_user(&init, argp, sizeof(init))) {
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1557 err = -EFAULT;
b49f6d83e290f1 Thierry Escande 2019-03-07 1558 goto err;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1559 }
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1560
7f1f481263c3ce Jeya R 2022-02-14 1561 if (init.attrs & FASTRPC_MODE_UNSIGNED_MODULE)
7f1f481263c3ce Jeya R 2022-02-14 1562 unsigned_module = true;
7f1f481263c3ce Jeya R 2022-02-14 1563
7f1f481263c3ce Jeya R 2022-02-14 1564 if (is_session_rejected(fl, unsigned_module)) {
7f1f481263c3ce Jeya R 2022-02-14 1565 err = -ECONNREFUSED;
7f1f481263c3ce Jeya R 2022-02-14 1566 goto err;
7f1f481263c3ce Jeya R 2022-02-14 1567 }
7f1f481263c3ce Jeya R 2022-02-14 1568
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1569 if (init.filelen > INIT_FILELEN_MAX) {
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1570 err = -EINVAL;
b49f6d83e290f1 Thierry Escande 2019-03-07 1571 goto err;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1572 }
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1573
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1574 inbuf.pgid = fl->tgid;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1575 inbuf.namelen = strlen(current->comm) + 1;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1576 inbuf.filelen = init.filelen;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1577 inbuf.pageslen = 1;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1578 inbuf.attrs = init.attrs;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1579 inbuf.siglen = init.siglen;
84195d206e1fbd Jonathan Marek 2020-09-08 1580 fl->pd = USER_PD;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1581
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1582 if (init.filelen && init.filefd) {
e90d911906196b Vamsi Krishna Gattupalli 2022-02-14 1583 err = fastrpc_map_create(fl, init.filefd, init.filelen, 0, &map);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1584 if (err)
b49f6d83e290f1 Thierry Escande 2019-03-07 1585 goto err;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1586 }
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1587
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1588 memlen = ALIGN(max(INIT_FILELEN_MAX, (int)init.filelen * 4),
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1589 1024 * 1024);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1590 err = fastrpc_buf_alloc(fl, fl->sctx->dev, memlen,
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1591 &imem);
b49f6d83e290f1 Thierry Escande 2019-03-07 1592 if (err)
b49f6d83e290f1 Thierry Escande 2019-03-07 1593 goto err_alloc;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1594
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1595 fl->init_mem = imem;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1596 args[0].ptr = (u64)(uintptr_t)&inbuf;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1597 args[0].length = sizeof(inbuf);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1598 args[0].fd = -1;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1599
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1600 args[1].ptr = (u64)(uintptr_t)current->comm;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1601 args[1].length = inbuf.namelen;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1602 args[1].fd = -1;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1603
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1604 args[2].ptr = (u64) init.file;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1605 args[2].length = inbuf.filelen;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1606 args[2].fd = init.filefd;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1607
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1608 pages[0].addr = imem->phys;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1609 pages[0].size = imem->size;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1610
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1611 args[3].ptr = (u64)(uintptr_t) pages;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1612 args[3].length = 1 * sizeof(*pages);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1613 args[3].fd = -1;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1614
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1615 args[4].ptr = (u64)(uintptr_t)&inbuf.attrs;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1616 args[4].length = sizeof(inbuf.attrs);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1617 args[4].fd = -1;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1618
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1619 args[5].ptr = (u64)(uintptr_t) &inbuf.siglen;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1620 args[5].length = sizeof(inbuf.siglen);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1621 args[5].fd = -1;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1622
db2e49fb9bf108 Ekansh Gupta 2023-08-31 1623 ioctl.inv.handle = FASTRPC_INIT_HANDLE;
db2e49fb9bf108 Ekansh Gupta 2023-08-31 1624 ioctl.inv.sc = FASTRPC_SCALARS(FASTRPC_RMID_INIT_CREATE, 4, 0);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1625 if (init.attrs)
db2e49fb9bf108 Ekansh Gupta 2023-08-31 1626 ioctl.inv.sc = FASTRPC_SCALARS(FASTRPC_RMID_INIT_CREATE_ATTR, 4, 0);
db2e49fb9bf108 Ekansh Gupta 2023-08-31 @1627 ioctl.inv.args = (__u64)args;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1628
db2e49fb9bf108 Ekansh Gupta 2023-08-31 1629 err = fastrpc_internal_invoke(fl, true, &ioctl);
b49f6d83e290f1 Thierry Escande 2019-03-07 1630 if (err)
b49f6d83e290f1 Thierry Escande 2019-03-07 1631 goto err_invoke;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1632
b49f6d83e290f1 Thierry Escande 2019-03-07 1633 kfree(args);
b49f6d83e290f1 Thierry Escande 2019-03-07 1634
b49f6d83e290f1 Thierry Escande 2019-03-07 1635 return 0;
b49f6d83e290f1 Thierry Escande 2019-03-07 1636
b49f6d83e290f1 Thierry Escande 2019-03-07 1637 err_invoke:
b49f6d83e290f1 Thierry Escande 2019-03-07 1638 fl->init_mem = NULL;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1639 fastrpc_buf_free(imem);
b49f6d83e290f1 Thierry Escande 2019-03-07 1640 err_alloc:
b49f6d83e290f1 Thierry Escande 2019-03-07 1641 fastrpc_map_put(map);
b49f6d83e290f1 Thierry Escande 2019-03-07 1642 err:
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1643 kfree(args);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1644
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1645 return err;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1646 }
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1647
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1648 static struct fastrpc_session_ctx *fastrpc_session_alloc(
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1649 struct fastrpc_channel_ctx *cctx)
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1650 {
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1651 struct fastrpc_session_ctx *session = NULL;
977e6c8d1d1806 Srinivas Kandagatla 2019-03-07 1652 unsigned long flags;
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1653 int i;
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1654
977e6c8d1d1806 Srinivas Kandagatla 2019-03-07 1655 spin_lock_irqsave(&cctx->lock, flags);
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1656 for (i = 0; i < cctx->sesscount; i++) {
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1657 if (!cctx->session[i].used && cctx->session[i].valid) {
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1658 cctx->session[i].used = true;
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1659 session = &cctx->session[i];
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1660 break;
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1661 }
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1662 }
977e6c8d1d1806 Srinivas Kandagatla 2019-03-07 1663 spin_unlock_irqrestore(&cctx->lock, flags);
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1664
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1665 return session;
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1666 }
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1667
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1668 static void fastrpc_session_free(struct fastrpc_channel_ctx *cctx,
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1669 struct fastrpc_session_ctx *session)
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1670 {
977e6c8d1d1806 Srinivas Kandagatla 2019-03-07 1671 unsigned long flags;
977e6c8d1d1806 Srinivas Kandagatla 2019-03-07 1672
977e6c8d1d1806 Srinivas Kandagatla 2019-03-07 1673 spin_lock_irqsave(&cctx->lock, flags);
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1674 session->used = false;
977e6c8d1d1806 Srinivas Kandagatla 2019-03-07 1675 spin_unlock_irqrestore(&cctx->lock, flags);
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1676 }
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1677
1d9e27a4779236 Ekansh Gupta 2023-08-31 1678 static void fastrpc_context_list_free(struct fastrpc_user *fl)
1d9e27a4779236 Ekansh Gupta 2023-08-31 1679 {
1d9e27a4779236 Ekansh Gupta 2023-08-31 1680 struct fastrpc_invoke_ctx *ctx, *n;
1d9e27a4779236 Ekansh Gupta 2023-08-31 1681
1d9e27a4779236 Ekansh Gupta 2023-08-31 1682 list_for_each_entry_safe(ctx, n, &fl->interrupted, node) {
1d9e27a4779236 Ekansh Gupta 2023-08-31 1683 spin_lock(&fl->lock);
1d9e27a4779236 Ekansh Gupta 2023-08-31 1684 list_del(&ctx->node);
1d9e27a4779236 Ekansh Gupta 2023-08-31 1685 spin_unlock(&fl->lock);
1d9e27a4779236 Ekansh Gupta 2023-08-31 1686 fastrpc_context_put(ctx);
1d9e27a4779236 Ekansh Gupta 2023-08-31 1687 }
1d9e27a4779236 Ekansh Gupta 2023-08-31 1688
1d9e27a4779236 Ekansh Gupta 2023-08-31 1689 list_for_each_entry_safe(ctx, n, &fl->pending, node) {
1d9e27a4779236 Ekansh Gupta 2023-08-31 1690 spin_lock(&fl->lock);
1d9e27a4779236 Ekansh Gupta 2023-08-31 1691 list_del(&ctx->node);
1d9e27a4779236 Ekansh Gupta 2023-08-31 1692 spin_unlock(&fl->lock);
1d9e27a4779236 Ekansh Gupta 2023-08-31 1693 fastrpc_context_put(ctx);
1d9e27a4779236 Ekansh Gupta 2023-08-31 1694 }
1d9e27a4779236 Ekansh Gupta 2023-08-31 1695 }
1d9e27a4779236 Ekansh Gupta 2023-08-31 1696
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1697 static int fastrpc_release_current_dsp_process(struct fastrpc_user *fl)
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1698 {
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1699 struct fastrpc_invoke_args args[1];
db2e49fb9bf108 Ekansh Gupta 2023-08-31 1700 struct fastrpc_enhanced_invoke ioctl;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1701 int tgid = 0;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1702
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1703 tgid = fl->tgid;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1704 args[0].ptr = (u64)(uintptr_t) &tgid;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1705 args[0].length = sizeof(tgid);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1706 args[0].fd = -1;
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1707
db2e49fb9bf108 Ekansh Gupta 2023-08-31 1708 ioctl.inv.handle = FASTRPC_INIT_HANDLE;
db2e49fb9bf108 Ekansh Gupta 2023-08-31 1709 ioctl.inv.sc = FASTRPC_SCALARS(FASTRPC_RMID_INIT_RELEASE, 1, 0);
db2e49fb9bf108 Ekansh Gupta 2023-08-31 @1710 ioctl.inv.args = (__u64)args;
db2e49fb9bf108 Ekansh Gupta 2023-08-31 1711
db2e49fb9bf108 Ekansh Gupta 2023-08-31 1712 return fastrpc_internal_invoke(fl, true, &ioctl);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1713 }
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1714
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1715 static int fastrpc_device_release(struct inode *inode, struct file *file)
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1716 {
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1717 struct fastrpc_user *fl = (struct fastrpc_user *)file->private_data;
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1718 struct fastrpc_channel_ctx *cctx = fl->cctx;
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 @1719 struct fastrpc_invoke_ctx *ctx, *n;
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 1720 struct fastrpc_map *map, *m;
2419e55e532de1 Jorge Ramirez-Ortiz 2019-10-09 1721 struct fastrpc_buf *buf, *b;
977e6c8d1d1806 Srinivas Kandagatla 2019-03-07 1722 unsigned long flags;
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1723
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1724 fastrpc_release_current_dsp_process(fl);
d73f71c7c6ee15 Srinivas Kandagatla 2019-02-08 1725
977e6c8d1d1806 Srinivas Kandagatla 2019-03-07 1726 spin_lock_irqsave(&cctx->lock, flags);
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1727 list_del(&fl->user);
977e6c8d1d1806 Srinivas Kandagatla 2019-03-07 1728 spin_unlock_irqrestore(&cctx->lock, flags);
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1729
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 1730 if (fl->init_mem)
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 1731 fastrpc_buf_free(fl->init_mem);
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 1732
1d9e27a4779236 Ekansh Gupta 2023-08-31 1733 fastrpc_context_list_free(fl);
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 1734
5bb96c8f9268e2 Abel Vesa 2022-11-24 1735 list_for_each_entry_safe(map, m, &fl->maps, node)
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 1736 fastrpc_map_put(map);
c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 1737
2419e55e532de1 Jorge Ramirez-Ortiz 2019-10-09 1738 list_for_each_entry_safe(buf, b, &fl->mmaps, node) {
2419e55e532de1 Jorge Ramirez-Ortiz 2019-10-09 1739 list_del(&buf->node);
2419e55e532de1 Jorge Ramirez-Ortiz 2019-10-09 1740 fastrpc_buf_free(buf);
2419e55e532de1 Jorge Ramirez-Ortiz 2019-10-09 1741 }
2419e55e532de1 Jorge Ramirez-Ortiz 2019-10-09 1742
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1743 fastrpc_session_free(cctx, fl->sctx);
278d56f970ae6e Bjorn Andersson 2019-08-29 1744 fastrpc_channel_ctx_put(cctx);
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1745
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1746 mutex_destroy(&fl->mutex);
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1747 kfree(fl);
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1748 file->private_data = NULL;
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1749
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1750 return 0;
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1751 }
f6f9279f2bf0e3 Srinivas Kandagatla 2019-02-08 1752

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