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[Qemu-devel] [PATCH] 2/5: open() can also return EPERM for O_RDWR on a r
From: |
Juergen Lock |
Subject: |
[Qemu-devel] [PATCH] 2/5: open() can also return EPERM for O_RDWR on a readonly device |
Date: |
Wed, 1 Oct 2008 20:36:09 +0200 |
User-agent: |
Mutt/1.5.17 (2007-11-01) |
..at least on FreeBSD. (I think the case where this happened was a cdrom.)
Index: qemu/block.c
@@ -381,7 +381,7 @@
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;
}
Signed-off-by: Juergen Lock <address@hidden>
- [Qemu-devel] [PATCH] 2/5: open() can also return EPERM for O_RDWR on a readonly device,
Juergen Lock <=