[PATCH 34/49] drivers/scsi: Use vzalloc

From: Joe Perches
Date: Thu Nov 04 2010 - 23:12:30 EST


Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
drivers/scsi/bfa/bfad.c | 3 +--
drivers/scsi/bfa/bfad_debugfs.c | 8 ++------
drivers/scsi/cxgbi/libcxgbi.h | 9 +++------
drivers/scsi/osst.c | 3 +--
drivers/scsi/qla2xxx/qla_attr.c | 3 +--
drivers/scsi/qla2xxx/qla_bsg.c | 3 +--
drivers/scsi/scsi_debug.c | 7 ++-----
7 files changed, 11 insertions(+), 25 deletions(-)

diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index 1f93897..10dc5d2 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -600,13 +600,12 @@ retry:
meminfo_elem = &hal_meminfo->meminfo[i];
switch (meminfo_elem->mem_type) {
case BFA_MEM_TYPE_KVA:
- kva = vmalloc(meminfo_elem->mem_len);
+ kva = vzalloc(meminfo_elem->mem_len);
if (kva == NULL) {
bfad_hal_mem_release(bfad);
rc = BFA_STATUS_ENOMEM;
goto ext;
}
- memset(kva, 0, meminfo_elem->mem_len);
meminfo_elem->kva = kva;
break;
case BFA_MEM_TYPE_DMA:
diff --git a/drivers/scsi/bfa/bfad_debugfs.c b/drivers/scsi/bfa/bfad_debugfs.c
index 1fedeeb..0f7af51 100644
--- a/drivers/scsi/bfa/bfad_debugfs.c
+++ b/drivers/scsi/bfa/bfad_debugfs.c
@@ -79,7 +79,7 @@ bfad_debugfs_open_fwtrc(struct inode *inode, struct file *file)

fw_debug->buffer_len = sizeof(struct bfa_trc_mod_s);

- fw_debug->debug_buffer = vmalloc(fw_debug->buffer_len);
+ fw_debug->debug_buffer = vzalloc(fw_debug->buffer_len);
if (!fw_debug->debug_buffer) {
kfree(fw_debug);
printk(KERN_INFO "bfad[%d]: Failed to allocate fwtrc buffer\n",
@@ -87,8 +87,6 @@ bfad_debugfs_open_fwtrc(struct inode *inode, struct file *file)
return -ENOMEM;
}

- memset(fw_debug->debug_buffer, 0, fw_debug->buffer_len);
-
spin_lock_irqsave(&bfad->bfad_lock, flags);
rc = bfa_debug_fwtrc(&bfad->bfa,
fw_debug->debug_buffer,
@@ -123,7 +121,7 @@ bfad_debugfs_open_fwsave(struct inode *inode, struct file *file)

fw_debug->buffer_len = sizeof(struct bfa_trc_mod_s);

- fw_debug->debug_buffer = vmalloc(fw_debug->buffer_len);
+ fw_debug->debug_buffer = vzalloc(fw_debug->buffer_len);
if (!fw_debug->debug_buffer) {
kfree(fw_debug);
printk(KERN_INFO "bfad[%d]: Failed to allocate fwsave buffer\n",
@@ -131,8 +129,6 @@ bfad_debugfs_open_fwsave(struct inode *inode, struct file *file)
return -ENOMEM;
}

- memset(fw_debug->debug_buffer, 0, fw_debug->buffer_len);
-
spin_lock_irqsave(&bfad->bfad_lock, flags);
rc = bfa_debug_fwsave(&bfad->bfa,
fw_debug->debug_buffer,
diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h
index c57d59d..7627e37 100644
--- a/drivers/scsi/cxgbi/libcxgbi.h
+++ b/drivers/scsi/cxgbi/libcxgbi.h
@@ -658,14 +658,11 @@ static inline u32 cxgbi_tag_nonrsvd_bits(struct cxgbi_tag_format *tformat,
return v1 | v2;
}

-static inline void *cxgbi_alloc_big_mem(unsigned int size,
- gfp_t gfp)
+static inline void *cxgbi_alloc_big_mem(unsigned int size, gfp_t gfp)
{
- void *p = kmalloc(size, gfp);
+ void *p = kzalloc(size, gfp);
if (!p)
- p = vmalloc(size);
- if (p)
- memset(p, 0, size);
+ p = vzalloc(size);
return p;
}

diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 54de1d1..02bc1cc 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -2296,11 +2296,10 @@ static int osst_write_header(struct osst_tape * STp, struct osst_request ** aSRp
if (STp->raw) return 0;

if (STp->header_cache == NULL) {
- if ((STp->header_cache = (os_header_t *)vmalloc(sizeof(os_header_t))) == NULL) {
+ if ((STp->header_cache = vzalloc(sizeof(os_header_t))) == NULL) {
printk(KERN_ERR "%s:E: Failed to allocate header cache\n", name);
return (-ENOMEM);
}
- memset(STp->header_cache, 0, sizeof(os_header_t));
#if DEBUG
printk(OSST_DEB_MSG "%s:D: Allocated and cleared memory for header cache\n", name);
#endif
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index bc8194f..7151b04 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -271,7 +271,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
ha->optrom_size - start : size;

ha->optrom_state = QLA_SREADING;
- ha->optrom_buffer = vmalloc(ha->optrom_region_size);
+ ha->optrom_buffer = vzalloc(ha->optrom_region_size);
if (ha->optrom_buffer == NULL) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory for optrom retrieval "
@@ -291,7 +291,6 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
"Reading flash region -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size));

- memset(ha->optrom_buffer, 0, ha->optrom_region_size);
ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
ha->optrom_region_start, ha->optrom_region_size);
break;
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 31a4121..27f7f79 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -1356,7 +1356,7 @@ qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, struct qla_hw_data *ha,
ha->optrom_state = QLA_SREADING;
}

- ha->optrom_buffer = vmalloc(ha->optrom_region_size);
+ ha->optrom_buffer = vzalloc(ha->optrom_region_size);
if (!ha->optrom_buffer) {
qla_printk(KERN_WARNING, ha,
"Read: Unable to allocate memory for optrom retrieval "
@@ -1366,7 +1366,6 @@ qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, struct qla_hw_data *ha,
return -ENOMEM;
}

- memset(ha->optrom_buffer, 0, ha->optrom_region_size);
return 0;
}

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 2c36bae..e6aaad4 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -3305,12 +3305,11 @@ static int __init scsi_debug_init(void)
(sdebug_sectors_per * sdebug_heads);
}

- fake_storep = vmalloc(sz);
+ fake_storep = vzalloc(sz);
if (NULL == fake_storep) {
printk(KERN_ERR "scsi_debug_init: out of memory, 1\n");
return -ENOMEM;
}
- memset(fake_storep, 0, sz);
if (scsi_debug_num_parts > 0)
sdebug_build_parts(fake_storep, sz);

@@ -3355,7 +3354,7 @@ static int __init scsi_debug_init(void)

map_size = (sdebug_store_sectors / scsi_debug_unmap_granularity);
map_bytes = map_size >> 3;
- map_storep = vmalloc(map_bytes);
+ map_storep = vzalloc(map_bytes);

printk(KERN_INFO "scsi_debug_init: %lu provisioning blocks\n",
map_size);
@@ -3366,8 +3365,6 @@ static int __init scsi_debug_init(void)
goto free_vm;
}

- memset(map_storep, 0x0, map_bytes);
-
/* Map first 1KB for partition table */
if (scsi_debug_num_parts)
map_region(0, 2);
--
1.7.3.1.g432b3.dirty

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