-----Original Message-----
From: Himanshu Jha [mailto:[email protected]] 
Sent: 30 December 2017 20:59
To: [email protected]; [email protected]; [email protected]
Cc: Gurumurthy, Anil <[email protected]>; Kalluru, Sudarsana 
<[email protected]>; Dept-Eng QLogic Storage Upstream 
<[email protected]>; [email protected]; [email protected]; 
[email protected]; Dept-Eng QLogic Storage Upstream 
<[email protected]>; Dept-Eng QLA2xxx Upstream 
<[email protected]>; [email protected]; 
[email protected]; Himanshu Jha <[email protected]>
Subject: [PATCH 8/9] scsi: bfa: Use zeroing allocator rather than 
allocator/memset

Use vzalloc instead of vmalloc followed by memset 0.

Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci

Suggested-by: Luis R. Rodriguez <[email protected]>
Signed-off-by: Himanshu Jha <[email protected]>
---
 drivers/scsi/bfa/bfad.c         | 3 +--
 drivers/scsi/bfa/bfad_debugfs.c | 8 ++------
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c index 
bac18f6..bd7e6a6f 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -610,13 +610,12 @@ bfad_hal_mem_alloc(struct bfad_s *bfad)
        /* Iterate through the KVA meminfo queue */
        list_for_each(km_qe, &kva_info->qe) {
                kva_elem = (struct bfa_mem_kva_s *) km_qe;
-               kva_elem->kva = vmalloc(kva_elem->mem_len);
+               kva_elem->kva = vzalloc(kva_elem->mem_len);
                if (kva_elem->kva == NULL) {
                        bfad_hal_mem_release(bfad);
                        rc = BFA_STATUS_ENOMEM;
                        goto ext;
                }
-               memset(kva_elem->kva, 0, kva_elem->mem_len);
        }
 
        /* Iterate through the DMA meminfo queue */ diff --git 
a/drivers/scsi/bfa/bfad_debugfs.c b/drivers/scsi/bfa/bfad_debugfs.c index 
05f5239..349cfe7 100644
--- a/drivers/scsi/bfa/bfad_debugfs.c
+++ b/drivers/scsi/bfa/bfad_debugfs.c
@@ -81,7 +81,7 @@ 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", 
@@ -89,8 +89,6 @@ 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_ioc_debug_fwtrc(&bfad->bfa.ioc,
                        fw_debug->debug_buffer,
@@ -125,7 +123,7 @@ 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", @@ -133,8 +131,6 @@ 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_ioc_debug_fwsave(&bfad->bfa.ioc,
                        fw_debug->debug_buffer,
--
2.7.4

Acked by: Anil Gurumurthy <[email protected]>

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