From: Steve French <stfrench@xxxxxxxxxxxxx>
commit 7321be2663da5922343cc121f1ff04924cee2e76 upstream.
We were incorrectly initializing the posix extensions in the
conversion to the new mount API.
CC: <stable@xxxxxxxxxxxxxxx> # 5.11+
Reported-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
Suggested-by: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/cifs/fs_context.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- a/fs/cifs/fs_context.c
+++ b/fs/cifs/fs_context.c
@@ -1266,10 +1266,17 @@ static int smb3_fs_context_parse_param(s
ctx->posix_paths = 1;
break;
case Opt_unix:
- if (result.negated)
+ if (result.negated) {
+ if (ctx->linux_ext == 1)
+ pr_warn_once("conflicting posix mount options specified\n");
ctx->linux_ext = 0;
- else
ctx->no_linux_ext = 1;
+ } else {
+ if (ctx->no_linux_ext == 1)
+ pr_warn_once("conflicting posix mount options specified\n");
+ ctx->linux_ext = 1;
+ ctx->no_linux_ext = 0;
+ }
break;
case Opt_nocase:
ctx->nocase = 1;
