sparse pointer use of zero as null

Get rid of sparse related warnings from places that use integer as NULL
pointer.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Andi Kleen <ak@suse.de>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Ian Kent <raven@themaw.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Davide Libenzi <davidel@xmailserver.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/kexec.c b/kernel/kexec.c
index 7885269b0da2..e9f1b4ea504d 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -785,7 +785,7 @@ static int kimage_load_normal_segment(struct kimage *image,
                 size_t uchunk, mchunk;
 
                 page = kimage_alloc_page(image, GFP_HIGHUSER, maddr);
-                if (page == 0) {
+                if (!page) {
                         result  = -ENOMEM;
                         goto out;
                 }
@@ -844,7 +844,7 @@ static int kimage_load_crash_segment(struct kimage *image,
                 size_t uchunk, mchunk;
 
                 page = pfn_to_page(maddr >> PAGE_SHIFT);
-                if (page == 0) {
+                if (!page) {
                         result  = -ENOMEM;
                         goto out;
                 }