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path: root/fs/autofs4/dev-ioctl.c
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Diffstat (limited to 'fs/autofs4/dev-ioctl.c')
-rw-r--r--fs/autofs4/dev-ioctl.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index aa3f47293bb8..025e105bffea 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -124,7 +124,7 @@ static inline void free_dev_ioctl(struct autofs_dev_ioctl *param)
/*
* Check sanity of parameter control fields and if a path is present
- * check that it has a "/" and is terminated.
+ * check that it is terminated and contains at least one "/".
*/
static int validate_dev_ioctl(int cmd, struct autofs_dev_ioctl *param)
{
@@ -138,15 +138,16 @@ static int validate_dev_ioctl(int cmd, struct autofs_dev_ioctl *param)
}
if (param->size > sizeof(*param)) {
- err = check_name(param->path);
+ err = invalid_str(param->path,
+ (void *) ((size_t) param + param->size));
if (err) {
- AUTOFS_WARN("invalid path supplied for cmd(0x%08x)",
- cmd);
+ AUTOFS_WARN(
+ "path string terminator missing for cmd(0x%08x)",
+ cmd);
goto out;
}
- err = invalid_str(param->path,
- (void *) ((size_t) param + param->size));
+ err = check_name(param->path);
if (err) {
AUTOFS_WARN("invalid path supplied for cmd(0x%08x)",
cmd);