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[1/6] cifs: use kzalloc

Message ID 20220312102705.71413-2-Julia.Lawall@inria.fr (mailing list archive)
State New, archived
Headers show
Series use kzalloc | expand

Commit Message

Julia Lawall March 12, 2022, 10:27 a.m. UTC
Use kzalloc instead of kmalloc + memset.

The semantic patch that makes this change is:
(https://coccinelle.gitlabpages.inria.fr/website/)

//<smpl>
@@
expression res, size, flag;
@@
- res = kmalloc(size, flag);
+ res = kzalloc(size, flag);
  ...
- memset(res, 0, size);
//</smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>

---
 fs/cifs/transport.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Steve French March 15, 2022, 4:15 a.m. UTC | #1
Which tree should this be merged from?  cifs-2.6.git for-next ... or
do you prefer that these all go together through a different tree

On Sun, Mar 13, 2022 at 11:36 AM Julia Lawall <Julia.Lawall@inria.fr> wrote:
>
> Use kzalloc instead of kmalloc + memset.
>
> The semantic patch that makes this change is:
> (https://coccinelle.gitlabpages.inria.fr/website/)
>
> //<smpl>
> @@
> expression res, size, flag;
> @@
> - res = kmalloc(size, flag);
> + res = kzalloc(size, flag);
>   ...
> - memset(res, 0, size);
> //</smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
>
> ---
>  fs/cifs/transport.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
> index eeb1a699bd6f..4ff8e165a180 100644
> --- a/fs/cifs/transport.c
> +++ b/fs/cifs/transport.c
> @@ -464,13 +464,12 @@ smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
>                 return -EIO;
>         }
>
> -       tr_hdr = kmalloc(sizeof(*tr_hdr), GFP_NOFS);
> +       tr_hdr = kzalloc(sizeof(*tr_hdr), GFP_NOFS);
>         if (!tr_hdr)
>                 return -ENOMEM;
>
>         memset(&cur_rqst[0], 0, sizeof(cur_rqst));
>         memset(&iov, 0, sizeof(iov));
> -       memset(tr_hdr, 0, sizeof(*tr_hdr));
>
>         iov.iov_base = tr_hdr;
>         iov.iov_len = sizeof(*tr_hdr);
>
diff mbox series

Patch

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index eeb1a699bd6f..4ff8e165a180 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -464,13 +464,12 @@  smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
 		return -EIO;
 	}
 
-	tr_hdr = kmalloc(sizeof(*tr_hdr), GFP_NOFS);
+	tr_hdr = kzalloc(sizeof(*tr_hdr), GFP_NOFS);
 	if (!tr_hdr)
 		return -ENOMEM;
 
 	memset(&cur_rqst[0], 0, sizeof(cur_rqst));
 	memset(&iov, 0, sizeof(iov));
-	memset(tr_hdr, 0, sizeof(*tr_hdr));
 
 	iov.iov_base = tr_hdr;
 	iov.iov_len = sizeof(*tr_hdr);