kcalloc manages count*sizeof overflow.

Cc: Steve French <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Fabian Frederick <[email protected]>
---
 fs/cifs/smb2file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c
index 3f17b45..e5100b8 100644
--- a/fs/cifs/smb2file.c
+++ b/fs/cifs/smb2file.c
@@ -111,7 +111,7 @@ smb2_unlock_range(struct cifsFileInfo *cfile, struct 
file_lock *flock,
                return -EINVAL;
 
        max_num = max_buf / sizeof(struct smb2_lock_element);
-       buf = kzalloc(max_num * sizeof(struct smb2_lock_element), GFP_KERNEL);
+       buf = kcalloc(max_num, sizeof(struct smb2_lock_element), GFP_KERNEL);
        if (!buf)
                return -ENOMEM;
 
@@ -247,7 +247,7 @@ smb2_push_mandatory_locks(struct cifsFileInfo *cfile)
        }
 
        max_num = max_buf / sizeof(struct smb2_lock_element);
-       buf = kzalloc(max_num * sizeof(struct smb2_lock_element), GFP_KERNEL);
+       buf = kcalloc(max_num, sizeof(struct smb2_lock_element), GFP_KERNEL);
        if (!buf) {
                free_xid(xid);
                return -ENOMEM;
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to