[PATCH 3/6] Handle possible bio_alloc failure in submit_bh

[Nikanth Karthikesan]

Handle possible bio_alloc failure in submit_bh.

Signed-off-by: Nikanth Karthikesan <knikanth@xxxxxxx>

---

Index: linux-2.6/fs/buffer.c
===================================================================
--- linux-2.6.orig/fs/buffer.c
+++ linux-2.6/fs/buffer.c
@@ -2922,6 +2922,8 @@ int submit_bh(int rw, struct buffer_head
 	 * submit_bio -> generic_make_request may further map this bio around
 	 */
 	bio = bio_alloc(GFP_NOIO, 1);
+	if (unlikely(!bio))
+		panic("Failed to allocate bio\n");
 
 	bio->bi_sector = bh->b_blocknr * (bh->b_size >> 9);
 	bio->bi_bdev = bh->b_bdev;


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/