diff mbox series

ceph: Use kcalloc for allocating multiple elements

Message ID 20220819054255.2406633-1-klee33@uw.edu (mailing list archive)
State New, archived
Headers show
Series ceph: Use kcalloc for allocating multiple elements | expand

Commit Message

Kenneth Lee Aug. 19, 2022, 5:42 a.m. UTC
Prefer using kcalloc(a, b) over kzalloc(a * b) as this improves
semantics since kcalloc is intended for allocating an array of memory.

Signed-off-by: Kenneth Lee <klee33@uw.edu>
---
 fs/ceph/caps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Xiubo Li Aug. 19, 2022, 6:15 a.m. UTC | #1
On 8/19/22 1:42 PM, Kenneth Lee wrote:
> Prefer using kcalloc(a, b) over kzalloc(a * b) as this improves
> semantics since kcalloc is intended for allocating an array of memory.
>
> Signed-off-by: Kenneth Lee <klee33@uw.edu>
> ---
>   fs/ceph/caps.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
> index 53cfe026b3ea..1eb2ff0f6bd8 100644
> --- a/fs/ceph/caps.c
> +++ b/fs/ceph/caps.c
> @@ -2285,7 +2285,7 @@ static int flush_mdlog_and_wait_inode_unsafe_requests(struct inode *inode)
>   		struct ceph_mds_request *req;
>   		int i;
>   
> -		sessions = kzalloc(max_sessions * sizeof(s), GFP_KERNEL);
> +		sessions = kcalloc(max_sessions, sizeof(s), GFP_KERNEL);
>   		if (!sessions) {
>   			err = -ENOMEM;
>   			goto out;

Merged into the testing branch. Thanks Kenneth!

-- Xiubo
diff mbox series

Patch

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 53cfe026b3ea..1eb2ff0f6bd8 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2285,7 +2285,7 @@  static int flush_mdlog_and_wait_inode_unsafe_requests(struct inode *inode)
 		struct ceph_mds_request *req;
 		int i;
 
-		sessions = kzalloc(max_sessions * sizeof(s), GFP_KERNEL);
+		sessions = kcalloc(max_sessions, sizeof(s), GFP_KERNEL);
 		if (!sessions) {
 			err = -ENOMEM;
 			goto out;