[PATCH] lib/decompress_unlzma: Do a NULL check for pointer

From: Fabio Estevam
Date: Thu Aug 13 2015 - 22:52:58 EST


From: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxx>
---
lib/decompress_unlzma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/decompress_unlzma.c b/lib/decompress_unlzma.c
index 0be83af..04d6813 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++)
--
1.9.1

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