Re: [PATCH] staging: wfx: refactor to avoid duplication at hif_tx.c

From: kernel test robot
Date: Wed Aug 05 2020 - 16:00:26 EST

Next message: Greg KH: "Re: [PATCH v4] ext4: fix direct I/O read error"
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In reply to: Tomer Samara: "Re: [PATCH] staging: wfx: refactor to avoid duplication at hif_tx.c"
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Hi Tomer,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]

url: https://github.com/0day-ci/linux/commits/Tomer-Samara/staging-wfx-refactor-to-avoid-duplication-at-hif_tx-c/20200805-165649
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 5bbd90550da8f7bdac769b5825597e67183c9411
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

In file included from arch/m68k/include/asm/io_mm.h:25,
from arch/m68k/include/asm/io.h:8,
from include/linux/scatterlist.h:9,
from include/linux/dma-mapping.h:11,
from include/linux/skbuff.h:31,
from include/linux/if_ether.h:19,
from include/linux/etherdevice.h:20,
from drivers/staging/wfx/hif_tx.c:9:
arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsb':
arch/m68k/include/asm/raw_io.h:83:7: warning: variable '__w' set but not used [-Wunused-but-set-variable]
83 | ({u8 __w, __v = (b); u32 _addr = ((u32) (addr)); \
| ^~~
arch/m68k/include/asm/raw_io.h:430:3: note: in expansion of macro 'rom_out_8'
430 | rom_out_8(port, *buf++);
| ^~~~~~~~~
arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw':
arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable]
86 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
| ^~~
arch/m68k/include/asm/raw_io.h:448:3: note: in expansion of macro 'rom_out_be16'
448 | rom_out_be16(port, *buf++);
| ^~~~~~~~~~~~
arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw_swapw':
arch/m68k/include/asm/raw_io.h:90:8: warning: variable '__w' set but not used [-Wunused-but-set-variable]
90 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
| ^~~
arch/m68k/include/asm/raw_io.h:466:3: note: in expansion of macro 'rom_out_le16'
466 | rom_out_le16(port, *buf++);
| ^~~~~~~~~~~~
In file included from include/linux/kernel.h:11,
from include/linux/skbuff.h:13,
from include/linux/if_ether.h:19,
from include/linux/etherdevice.h:20,
from drivers/staging/wfx/hif_tx.c:9:
include/linux/scatterlist.h: In function 'sg_set_buf':
arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
| ^~
include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON'
143 | BUG_ON(!virt_addr_valid(buf));
| ^~~~~~
include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid'
143 | BUG_ON(!virt_addr_valid(buf));
| ^~~~~~~~~~~~~~~
In file included from arch/m68k/include/asm/bug.h:32,
from include/linux/bug.h:5,
from include/linux/thread_info.h:12,
from include/asm-generic/preempt.h:5,
from ./arch/m68k/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:51,
from include/linux/seqlock.h:36,
from include/linux/time.h:6,
from include/linux/skbuff.h:15,
from include/linux/if_ether.h:19,
from include/linux/etherdevice.h:20,
from drivers/staging/wfx/hif_tx.c:9:
include/linux/dma-mapping.h: In function 'dma_map_resource':
arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
| ^~
include/asm-generic/bug.h:144:27: note: in definition of macro 'WARN_ON_ONCE'
144 | int __ret_warn_once = !!(condition); \
| ^~~~~~~~~
arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro 'virt_addr_valid'
170 | #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn))
| ^~~~~~~~~~~~~~~
include/linux/dma-mapping.h:352:19: note: in expansion of macro 'pfn_valid'
352 | if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr))))
| ^~~~~~~~~
drivers/staging/wfx/hif_tx.c: At top level:
>> drivers/staging/wfx/hif_tx.c:126:5: warning: no previous prototype for 'wfx_full_send' [-Wmissing-prototypes]
126 | int wfx_full_send(struct wfx_dev *wdev, struct hif_msg *hif, void *reply, size_t reply_len,
| ^~~~~~~~~~~~~
>> drivers/staging/wfx/hif_tx.c:133:5: warning: no previous prototype for 'wfx_full_send_no_reply_async' [-Wmissing-prototypes]
133 | int wfx_full_send_no_reply_async(struct wfx_dev *wdev, struct hif_msg *hif, int if_id,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/wfx/hif_tx.c:139:5: warning: no previous prototype for 'wfx_full_send_no_reply' [-Wmissing-prototypes]
139 | int wfx_full_send_no_reply(struct wfx_dev *wdev, struct hif_msg *hif, int if_id,
| ^~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/wfx/hif_tx.c:145:5: warning: no previous prototype for 'wfx_full_send_no_reply_free' [-Wmissing-prototypes]
145 | int wfx_full_send_no_reply_free(struct wfx_dev *wdev, struct hif_msg *hif, int if_id,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/wfx_full_send +126 drivers/staging/wfx/hif_tx.c

125
> 126 int wfx_full_send(struct wfx_dev *wdev, struct hif_msg *hif, void *reply, size_t reply_len,
127 bool async, int if_id, unsigned int cmd, int size)
128 {
129 wfx_fill_header(hif, if_id, cmd, size);
130 return wfx_cmd_send(wdev, hif, reply, reply_len, async);
131 }
132
> 133 int wfx_full_send_no_reply_async(struct wfx_dev *wdev, struct hif_msg *hif, int if_id,
134 unsigned int cmd, int size, bool async)
135 {
136 return wfx_full_send(wdev, hif, NULL, 0, async, if_id, cmd, size);
137 }
138
> 139 int wfx_full_send_no_reply(struct wfx_dev *wdev, struct hif_msg *hif, int if_id,
140 unsigned int cmd, int size)
141 {
142 return wfx_full_send_no_reply_async(wdev, hif, if_id, cmd, size, false);
143 }
144
> 145 int wfx_full_send_no_reply_free(struct wfx_dev *wdev, struct hif_msg *hif, int if_id,
146 unsigned int cmd, int size)
147 {
148 int ret;
149
150 ret = wfx_full_send_no_reply(wdev, hif, if_id, cmd, size);
151 kfree(hif);
152 return ret;
153 }
154

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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Next message: Greg KH: "Re: [PATCH v4] ext4: fix direct I/O read error"
Previous message: kernel test robot: "drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2353:21: sparse: sparse: incorrect type in initializer (different address spaces)"
In reply to: Tomer Samara: "Re: [PATCH] staging: wfx: refactor to avoid duplication at hif_tx.c"
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