296b67059 removed fsparam_u32hex because there were no callers
(yet) and it didn't build due to using the nonexistent symbol
fs_param_is_u32_hex.

fs/9p will need this parser, so add it back with the appropriate
fix (use fs_param_is_u32).

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---
 include/linux/fs_parser.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/fs_parser.h b/include/linux/fs_parser.h
index 5a0e897cae80..5e8a3b546033 100644
--- a/include/linux/fs_parser.h
+++ b/include/linux/fs_parser.h
@@ -120,6 +120,8 @@ static inline bool fs_validate_description(const char *name,
 #define fsparam_u32(NAME, OPT)	__fsparam(fs_param_is_u32, NAME, OPT, 0, NULL)
 #define fsparam_u32oct(NAME, OPT) \
 			__fsparam(fs_param_is_u32, NAME, OPT, 0, (void *)8)
+#define fsparam_u32hex(NAME, OPT) \
+			__fsparam(fs_param_is_u32, NAME, OPT, 0, (void *)16)
 #define fsparam_s32(NAME, OPT)	__fsparam(fs_param_is_s32, NAME, OPT, 0, NULL)
 #define fsparam_u64(NAME, OPT)	__fsparam(fs_param_is_u64, NAME, OPT, 0, NULL)
 #define fsparam_enum(NAME, OPT, array)	__fsparam(fs_param_is_enum, NAME, OPT, 0, array)
-- 
2.50.0