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Fix error message in drive_init 

The real error is the return value of bdrv_open. errno might be overwritten or
not even set to that value in the first place.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2010-06-01 13:20:57 +02:00
parent 552fee931b
commit 236f1f672c
1 changed files with 4 additions and 2 deletions
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6
vl.c
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@ -789,6 +789,7 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
const char *devaddr;
DriveInfo *dinfo;
int snapshot = 0;
int ret;
*fatal_error = 1;
@ -1119,9 +1120,10 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
if (bdrv_open(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
ret = bdrv_open(dinfo->bdrv, file, bdrv_flags, drv);
if (ret < 0) {
fprintf(stderr, "qemu: could not open disk image %s: %s\n",
file, strerror(errno));
file, strerror(-ret));
return NULL;
}