linux-kernel - [PATCH] staging: ion: Remove explicit NULL comparison

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Date:	Mon, 19 Oct 2015 22:37:51 +0530
From:	Muhammad Falak R Wani <falakreyaz@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<arve@...roid.com>, Riley Andrews <riandrews@...roid.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Cc:	Muhammad Falak R Wani <falakreyaz@...il.com>
Subject: [PATCH] staging: ion: Remove explicit NULL comparison

Rewrite explicit NULL comparison in its simpler form.
<smpl>
@NULL_REPLACE@
expression e;
@@

-e == NULL
+ !e

Signed-off-by: Muhammad Falak R Wani <falakreyaz@...il.com>
---
 drivers/staging/android/ion/ion_heap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c
index fd13d05..f5a3f59 100644
--- a/drivers/staging/android/ion/ion_heap.c
+++ b/drivers/staging/android/ion/ion_heap.c
@@ -56,7 +56,7 @@ void *ion_heap_map_kernel(struct ion_heap *heap,
 	vaddr = vmap(pages, npages, VM_MAP, pgprot);
 	vfree(pages);
 
-	if (vaddr == NULL)
+	if (!vaddr)
 		return ERR_PTR(-ENOMEM);
 
 	return vaddr;
-- 
1.9.1

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