[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 09/12] block/get_block_status: set *pnum = 0 on erro
From: |
Peter Lieven |
Subject: |
[Qemu-devel] [PATCH 09/12] block/get_block_status: set *pnum = 0 on error |
Date: |
Fri, 13 Sep 2013 12:25:06 +0200 |
if the call is invoked through bdrv_is_allocated the caller might
expect *pnum = 0 on error. however, a new implementation of
bdrv_get_block_status might only return a negative exit value on
error while keeping *pnum untouched.
Signed-off-by: Peter Lieven <address@hidden>
---
block.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block.c b/block.c
index 76a6621..4922fb9 100644
--- a/block.c
+++ b/block.c
@@ -3149,6 +3149,7 @@ static int64_t coroutine_fn
bdrv_co_get_block_status(BlockDriverState *bs,
ret = bs->drv->bdrv_co_get_block_status(bs, sector_num, nb_sectors, pnum);
if (ret < 0) {
+ *pnum = 0;
return ret;
}
--
1.7.9.5
- [Qemu-devel] [PATCH 05/12] block: add logical block provisioning information to BlockDriverInfo, (continued)
[Qemu-devel] [PATCH 06/12] iscsi: add .bdrv_get_info, Peter Lieven, 2013/09/13
[Qemu-devel] [PATCH 11/12] block/get_block_status: avoid redundant callouts on raw devices, Peter Lieven, 2013/09/13
[Qemu-devel] [PATCH 09/12] block/get_block_status: set *pnum = 0 on error,
Peter Lieven <=
[Qemu-devel] [PATCH 10/12] block/get_block_status: avoid segfault if there is no backing_hd, Peter Lieven, 2013/09/13
[Qemu-devel] [PATCH 12/12] block/get_block_status: fix BDRV_BLOCK_ZERO for unallocated blocks, Peter Lieven, 2013/09/13