autofs4: collect version check return

The function check_dev_ioctl_version() returns an error code upon fail but
it isn't captured and returned in validate_dev_ioctl() as it should be.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index 625abf5..33bf8cb 100644 (file)
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -128,9 +128,10 @@ static inline void free_dev_ioctl(struct autofs_dev_ioctl *param)
  */
 static int validate_dev_ioctl(int cmd, struct autofs_dev_ioctl *param)
 {
-       int err = -EINVAL;
+       int err;
 
-       if (check_dev_ioctl_version(cmd, param)) {
+       err = check_dev_ioctl_version(cmd, param);
+       if (err) {
                AUTOFS_WARN("invalid device control module version "
                     "supplied for cmd(0x%08x)", cmd);
                goto out;