sys_prctl(): arg2 is unsigned long which is never < 0 (7fe5e042) · Commits · e / devices / android_kernel_teracube_emerald

arg2 will never < 0, for its type is 'unsigned long' Also, use the provided macros. Signed-off-by:

kernel/sys.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -47,6 +47,7 @@
		#include <linux/syscalls.h>
		#include <linux/kprobes.h>
		#include <linux/user_namespace.h>
		#include <linux/binfmts.h>

		#include <linux/kmsg_dump.h>
		/* Move somewhere else to avoid recompiling? */
		@@ -2026,7 +2027,8 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
		error = get_dumpable(me->mm);
		break;
		case PR_SET_DUMPABLE:
		if (arg2 < 0 \|\| arg2 > 1) {
		if (arg2 != SUID_DUMP_DISABLE &&
		arg2 != SUID_DUMP_USER) {
		error = -EINVAL;
		break;
		}