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fs/cifs: Fix resource leak 

The -EIO error return path is leaking memory allocated
to page. Fix this by moving the allocation block after
the check of cifs_forced_shutdown.

Addresses-Coverity: ("Resource leak")
Fixes: 087f757b01 ("cifs: add shutdown support")
Signed-off-by: Khaled ROMDHANI <khaledromdhani216@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Khaled ROMDHANI 2021-05-04 16:38:55 +01:00 committed by Steve French
parent 78c09634f7
commit bae4c0c1c2
1 changed files with 5 additions and 1 deletions
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6
fs/cifs/link.c
View File

@ -683,12 +683,16 @@ cifs_symlink(struct user_namespace *mnt_userns, struct inode *inode,
struct tcon_link *tlink;
struct cifs_tcon *pTcon;
const char *full_path;
void *page = alloc_dentry_path();
void *page;
struct inode *newinode = NULL;
if (unlikely(cifs_forced_shutdown(cifs_sb)))
return -EIO;
page = alloc_dentry_path();
if (!page)
return -ENOMEM;
xid = get_xid();
tlink = cifs_sb_tlink(cifs_sb);