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[Qemu-stable] [PATCH 02/12] block/vvfat: qcow driver may not be found
From: |
Max Reitz |
Subject: |
[Qemu-stable] [PATCH 02/12] block/vvfat: qcow driver may not be found |
Date: |
Tue, 25 Nov 2014 15:07:55 +0100 |
Although virtually impossible right now, bdrv_find_format("qcow") may
fail. The vvfat block driver should mind that case.
Cc: address@hidden
Signed-off-by: Max Reitz <address@hidden>
---
block/vvfat.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/block/vvfat.c b/block/vvfat.c
index cefe3a4..e34a789 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -2917,6 +2917,12 @@ static int enable_write_target(BDRVVVFATState *s, Error
**errp)
}
bdrv_qcow = bdrv_find_format("qcow");
+ if (!bdrv_qcow) {
+ error_setg(errp, "Failed to locate qcow driver");
+ ret = -ENOENT;
+ goto err;
+ }
+
opts = qemu_opts_create(bdrv_qcow->create_opts, NULL, 0, &error_abort);
qemu_opt_set_number(opts, BLOCK_OPT_SIZE, s->sector_count * 512);
qemu_opt_set(opts, BLOCK_OPT_BACKING_FILE, "fat:");
--
1.9.3
- [Qemu-stable] [PATCH 00/12] block: Various Coverity-spotted fixes, Max Reitz, 2014/11/25
- [Qemu-stable] [PATCH 02/12] block/vvfat: qcow driver may not be found,
Max Reitz <=
- [Qemu-stable] [PATCH 01/12] block: qcow2 driver may not be found, Max Reitz, 2014/11/25
- Re: [Qemu-stable] [Qemu-devel] [PATCH 01/12] block: qcow2 driver may not be found, Markus Armbruster, 2014/11/26
- Re: [Qemu-stable] [Qemu-devel] [PATCH 01/12] block: qcow2 driver may not be found, Max Reitz, 2014/11/26
- Re: [Qemu-stable] [Qemu-devel] [PATCH 01/12] block: qcow2 driver may not be found, Eric Blake, 2014/11/26
- Re: [Qemu-stable] [Qemu-devel] [PATCH 01/12] block: qcow2 driver may not be found, Max Reitz, 2014/11/26
- Re: [Qemu-stable] [Qemu-devel] [PATCH 01/12] block: qcow2 driver may not be found, Kevin Wolf, 2014/11/26
- Re: [Qemu-stable] [Qemu-devel] [PATCH 01/12] block: qcow2 driver may not be found, Markus Armbruster, 2014/11/27
[Qemu-stable] [PATCH 03/12] block/nfs: Add create_opts, Max Reitz, 2014/11/25