[PATCH] scsi: fnic: Make use of vzalloc() instead of vmalloc/memset()

From: Cai Huoqing
Date: Mon Oct 18 2021 - 09:16:44 EST


Replacing vmalloc()/memset() with vzalloc() to simplify the code.

Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
---
drivers/scsi/fnic/fnic_debugfs.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/fnic/fnic_debugfs.c b/drivers/scsi/fnic/fnic_debugfs.c
index e7326505cabb..e2fea5b574c3 100644
--- a/drivers/scsi/fnic/fnic_debugfs.c
+++ b/drivers/scsi/fnic/fnic_debugfs.c
@@ -216,25 +216,21 @@ static int fnic_trace_debugfs_open(struct inode *inode,
return -ENOMEM;

if (*rdata_ptr == fc_trc_flag->fnic_trace) {
- fnic_dbg_prt->buffer = vmalloc(array3_size(3, trace_max_pages,
+ fnic_dbg_prt->buffer = vzalloc(array3_size(3, trace_max_pages,
PAGE_SIZE));
if (!fnic_dbg_prt->buffer) {
kfree(fnic_dbg_prt);
return -ENOMEM;
}
- memset((void *)fnic_dbg_prt->buffer, 0,
- 3 * (trace_max_pages * PAGE_SIZE));
fnic_dbg_prt->buffer_len = fnic_get_trace_data(fnic_dbg_prt);
} else {
fnic_dbg_prt->buffer =
- vmalloc(array3_size(3, fnic_fc_trace_max_pages,
+ vzalloc(array3_size(3, fnic_fc_trace_max_pages,
PAGE_SIZE));
if (!fnic_dbg_prt->buffer) {
kfree(fnic_dbg_prt);
return -ENOMEM;
}
- memset((void *)fnic_dbg_prt->buffer, 0,
- 3 * (fnic_fc_trace_max_pages * PAGE_SIZE));
fnic_dbg_prt->buffer_len =
fnic_fc_trace_get_data(fnic_dbg_prt, *rdata_ptr);
}
--
2.25.1