tools/nolibc: fix build warning in sys_mmap() when my_syscall6 is not defined

We return -ENOSYS when there's no syscall6() operation, but we must cast
it to void* to avoid a warning.

Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 0849107..b8c9687 100644 (file)
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -692,7 +692,7 @@ void *sys_mmap(void *addr, size_t length, int prot, int flags, int fd,
 {
 #ifndef my_syscall6
        /* Function not implemented. */
-       return -ENOSYS;
+       return (void *)-ENOSYS;
 #else
 
        int n;