arch/x86/kernel/e820.c: quiet sparse noise about plain integer as NULL pointer
The last parameter to sort() is a pointer to the function used
to swap items. This parameter should be NULL, not 0, when not
used. This quiets the following sparse warning:
warning: Using plain integer as NULL pointer
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: hartleys@visionengravers.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index f655f80..d6bd853 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -296,7 +296,7 @@
chg_nr = chgidx;
/* sort change-point list by memory addresses (low -> high) */
- sort(change_point, chg_nr, sizeof *change_point, cpcompare, 0);
+ sort(change_point, chg_nr, sizeof *change_point, cpcompare, NULL);
/* create a new bios memory map, removing overlaps */
overlap_entries = 0; /* number of entries in the overlap table */