fs/bio-integrity.c: return -ENOMEM on kmalloc failure

Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index a8f4cc6..4d0ff5e 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -416,7 +416,7 @@
 	buf = kmalloc(len, GFP_NOIO | q->bounce_gfp);
 	if (unlikely(buf == NULL)) {
 		printk(KERN_ERR "could not allocate integrity buffer\n");
-		return -EIO;
+		return -ENOMEM;
 	}
 
 	end = (((unsigned long) buf) + len + PAGE_SIZE - 1) >> PAGE_SHIFT;