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Commit d2a65ce2 authored by Dan Carpenter's avatar Dan Carpenter Committed by Kent Overstreet
Browse files

bcache: check for allocation failures 



There is a missing NULL check after the kzalloc().

Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
parent 6aa8f1a6

drivers/md/bcache/sysfs.c

+2 −0
Original line number Diff line number Diff line
@@ -232,6 +232,8 @@ STORE(__cached_dev) 
			bch_uuid_write(dc->disk.c);

		}

		env = kzalloc(sizeof(struct kobj_uevent_env), GFP_KERNEL);

		if (!env)

			return -ENOMEM;

		add_uevent_var(env, "DRIVER=bcache");

		add_uevent_var(env, "CACHED_UUID=%pU", dc->sb.uuid),

		add_uevent_var(env, "CACHED_LABEL=%s", buf);