From: James Morris Date: Mon, 29 Dec 2008 03:35:35 +0000 (+1100) Subject: keys: fix sparse warning by adding __user annotation to cast X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=90bd49ab6649269cd10d0edc86d0e0f62864726a;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git keys: fix sparse warning by adding __user annotation to cast Fix the following sparse warning: CC security/keys/key.o security/keys/keyctl.c:1297:10: warning: incorrect type in argument 2 (different address spaces) security/keys/keyctl.c:1297:10: expected char [noderef] *buffer security/keys/keyctl.c:1297:10: got char * which appears to be caused by lack of __user annotation to the cast of a syscall argument. Signed-off-by: James Morris Acked-by: David Howells --- diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index 6688765bd8b9..09796797d122 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -1294,7 +1294,7 @@ asmlinkage long sys_keyctl(int option, unsigned long arg2, unsigned long arg3, case KEYCTL_GET_SECURITY: return keyctl_get_security((key_serial_t) arg2, - (char *) arg3, + (char __user *) arg3, (size_t) arg4); default: