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    Subject[PATCH v2] um: include sys/types.h for size_t
    Date
    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. stddef.h is still required for NULL, however, so note this.

    Cc: Johannes Berg <johannes@sipsolutions.net>
    Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
    ---
    arch/um/include/shared/user.h | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h
    index dd4badffdeb3..bda66e5a9d4e 100644
    --- a/arch/um/include/shared/user.h
    +++ b/arch/um/include/shared/user.h
    @@ -16,11 +16,12 @@
    */
    #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))

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

    extern void panic(const char *fmt, ...)
    --
    2.35.1
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