From e4e29dc4841d21943bec1bc5378ab421d2320d83 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Wed, 9 Sep 2015 15:39:15 -0700 Subject: [PATCH] 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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 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++)