diff options
| author | Paulo Alcantara <pc@cjr.nz> | 2022-12-29 22:43:46 +0100 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-01-04 16:06:53 +0100 |
| commit | 39a154fc2d172a3a5865e5a9fa2a2983eb7a99ac (patch) | |
| tree | 54b677b6a19e65ea48e80af840c31d45a34f4364 /fs/cifs/misc.c | |
| parent | cifs: fix race in assemble_neg_contexts() (diff) | |
| download | linux-39a154fc2d172a3a5865e5a9fa2a2983eb7a99ac.tar.xz linux-39a154fc2d172a3a5865e5a9fa2a2983eb7a99ac.zip | |
cifs: protect access of TCP_Server_Info::{dstaddr,hostname}
Use the appropriate locks to protect access of hostname and dstaddr
fields in cifs_tree_connect() as they might get changed by other
tasks.
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/cifs/misc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 4d3c586785a5..2a19c7987c5b 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -1277,7 +1277,9 @@ int match_target_ip(struct TCP_Server_Info *server, if (rc < 0) return rc; + spin_lock(&server->srv_lock); *result = cifs_match_ipaddr((struct sockaddr *)&server->dstaddr, (struct sockaddr *)&ss); + spin_unlock(&server->srv_lock); cifs_dbg(FYI, "%s: ip addresses match: %u\n", __func__, *result); return 0; } |