[PATCH] um: include sys/types.h instead of stddef.h for size_t

From: Jason A. Donenfeld
Date: Wed Jul 13 2022 - 06:00:48 EST


Usually size_t comes from sys/types.h, not stddef.h. This code likely
worked only because something else in its usage chain was pulling in
sys/types.h.

Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
---
arch/um/include/shared/user.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h
index dd4badffdeb3..a0a8f0d19a85 100644
--- a/arch/um/include/shared/user.h
+++ b/arch/um/include/shared/user.h
@@ -13,21 +13,21 @@
* fancier, type-safe, definition. Using that one would require
* copying too much infrastructure for my taste, so userspace files
* get less checking than kernel files.
*/
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))

/* This is to get size_t */
#ifndef __UM_HOST__
#include <linux/types.h>
#else
-#include <stddef.h>
+#include <sys/types.h>
#endif

extern void panic(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));

/* Requires preincluding include/linux/kern_levels.h */
#define UM_KERN_EMERG KERN_EMERG
#define UM_KERN_ALERT KERN_ALERT
#define UM_KERN_CRIT KERN_CRIT
#define UM_KERN_ERR KERN_ERR
--
2.35.1