um: don't compare a pointer to 0

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Link: http://lkml.kernel.org/r/1356030701-16284-27-git-send-email-sasha.levin@oracle.com
Cc: Richard Weinberger <richard@nod.at>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
diff --git a/arch/x86/um/fault.c b/arch/x86/um/fault.c
index 8784ab3..84ac7f7 100644
--- a/arch/x86/um/fault.c
+++ b/arch/x86/um/fault.c
@@ -20,7 +20,7 @@
 	const struct exception_table_entry *fixup;
 
 	fixup = search_exception_tables(address);
-	if (fixup != 0) {
+	if (fixup) {
 		UPT_IP(regs) = fixup->fixup;
 		return 1;
 	}