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 decb64629c146b64e770f37ccba89e0cba9e94a3..ed7a1fd819f2fbc86b3ad0f238fce01739a8e07f 100644 (file)
--- 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++)