diff options
| -rw-r--r-- | include/linux/mnt_idmapping.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/mnt_idmapping.h b/include/linux/mnt_idmapping.h index 6a752b61088b..21bd22a7b326 100644 --- a/include/linux/mnt_idmapping.h +++ b/include/linux/mnt_idmapping.h @@ -60,12 +60,12 @@ static inline bool vfsgid_valid(vfsgid_t gid) static inline bool vfsuid_eq(vfsuid_t left, vfsuid_t right) { - return __vfsuid_val(left) == __vfsuid_val(right); + return vfsuid_valid(left) && __vfsuid_val(left) == __vfsuid_val(right); } static inline bool vfsgid_eq(vfsgid_t left, vfsgid_t right) { - return __vfsgid_val(left) == __vfsgid_val(right); + return vfsgid_valid(left) && __vfsgid_val(left) == __vfsgid_val(right); } /** @@ -76,10 +76,11 @@ static inline bool vfsgid_eq(vfsgid_t left, vfsgid_t right) * Check whether @kuid and @vfsuid have the same values. * * Return: true if @kuid and @vfsuid have the same value, false if not. + * Comparison between two invalid uids returns false. */ static inline bool vfsuid_eq_kuid(vfsuid_t vfsuid, kuid_t kuid) { - return __vfsuid_val(vfsuid) == __kuid_val(kuid); + return vfsuid_valid(vfsuid) && __vfsuid_val(vfsuid) == __kuid_val(kuid); } /** @@ -90,10 +91,11 @@ static inline bool vfsuid_eq_kuid(vfsuid_t vfsuid, kuid_t kuid) * Check whether @kgid and @vfsgid have the same values. * * Return: true if @kgid and @vfsgid have the same value, false if not. + * Comparison between two invalid gids returns false. */ static inline bool vfsgid_eq_kgid(kgid_t kgid, vfsgid_t vfsgid) { - return __vfsgid_val(vfsgid) == __kgid_val(kgid); + return vfsgid_valid(vfsgid) && __vfsgid_val(vfsgid) == __kgid_val(kgid); } /* |