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-Url: https://git.stricted.de/?a=commitdiff_plain;h=e4e29dc4841d21943bec1bc5378ab421d2320d83;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.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 decb64629c14..ed7a1fd819f2 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++)