From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Wed, 9 Sep 2015 22:39:15 +0000 (-0700)
Subject: lib/decompress_unlzma: Do a NULL check for pointer
X-Git-Tag: v4.14-rc1~4703^2~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e4e29dc4841d21943bec1bc5378ab421d2320d83;p=platform%2Fkernel%2Flinux-rpi.git

lib/decompress_unlzma: Do a NULL check for pointer

Compare pointer-typed values to NULL rather than 0.

The semantic patch that makes this change is available
in scripts/coccinelle/null/badzero.cocci.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/lib/decompress_unlzma.c b/lib/decompress_unlzma.c
index decb646..ed7a1fd 100644
--- a/lib/decompress_unlzma.c
+++ b/lib/decompress_unlzma.c
@@ -620,7 +620,7 @@ STATIC inline int INIT unlzma(unsigned char *buf, long in_len,
 
 	num_probs = LZMA_BASE_SIZE + (LZMA_LIT_SIZE << (lc + lp));
 	p = (uint16_t *) large_malloc(num_probs * sizeof(*p));
-	if (p == 0)
+	if (p == NULL)
 		goto exit_2;
 	num_probs = LZMA_LITERAL + (LZMA_LIT_SIZE << (lc + lp));
 	for (i = 0; i < num_probs; i++)