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[Qemu-devel] [5482] open() can also return EPERM for O_RDWR on a readonl
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [5482] open() can also return EPERM for O_RDWR on a readonly device |
Date: |
Mon, 13 Oct 2008 21:08:34 +0000 |
Revision: 5482
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5482
Author: aurel32
Date: 2008-10-13 21:08:34 +0000 (Mon, 13 Oct 2008)
Log Message:
-----------
open() can also return EPERM for O_RDWR on a readonly device
Signed-off-by: Juergen Lock <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
Modified Paths:
--------------
trunk/block.c
Modified: trunk/block.c
===================================================================
--- trunk/block.c 2008-10-13 21:08:25 UTC (rev 5481)
+++ trunk/block.c 2008-10-13 21:08:34 UTC (rev 5482)
@@ -399,7 +399,7 @@
else
open_flags = flags & ~(BDRV_O_FILE | BDRV_O_SNAPSHOT);
ret = drv->bdrv_open(bs, filename, open_flags);
- if (ret == -EACCES && !(flags & BDRV_O_FILE)) {
+ if ((ret == -EACCES || ret == -EPERM) && !(flags & BDRV_O_FILE)) {
ret = drv->bdrv_open(bs, filename, BDRV_O_RDONLY);
bs->read_only = 1;
}
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