Commit 310ee9e8 authored Feb 13, 2015 by Jan Kara Committed by Linus Torvalds Feb 13, 2015

lib/genalloc.c: check result of devres_alloc()



devm_gen_pool_create() calls devres_alloc() and dereferences its result
without checking whether devres_alloc() succeeded.  Check for error and
bail out if it happened.

Coverity-id 1016493.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 8da53d45

lib/genalloc.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -586,6 +586,8 @@ struct gen_pool devm_gen_pool_create(struct device dev, int min_alloc_order,
		struct gen_pool *ptr, pool;

		ptr = devres_alloc(devm_gen_pool_release, sizeof(*ptr), GFP_KERNEL);
		if (!ptr)
		return NULL;

		pool = gen_pool_create(min_alloc_order, nid);
		if (pool) {