Commit 27c5fb7a authored Apr 18, 2014 by Horia Geanta Committed by Herbert Xu Apr 28, 2014

crypto: caam - add allocation failure handling in SPRINTFCAT macro

GFP_ATOMIC memory allocation could fail.
In this case, avoid NULL pointer dereference and notify user.

Cc: <stable@vger.kernel.org> # 3.2+
Cc: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent eb4a5346

drivers/crypto/caam/error.c

+7 −3

Original line number	Diff line number	Diff line
		@@ -16,9 +16,13 @@
		char *tmp; \
		\
		tmp = kmalloc(sizeof(format) + max_alloc, GFP_ATOMIC); \
		if (likely(tmp)) { \
		sprintf(tmp, format, param); \
		strcat(str, tmp); \
		kfree(tmp); \
		} else { \
		strcat(str, "kmalloc failure in SPRINTFCAT"); \
		} \
		}

		static void report_jump_idx(u32 status, char *outstr)

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