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vvfat: correctly propagate errors

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Before:
    $ ./qemu-io-old
    qemu-io-old> open -r -o driver=vvfat,fat-type=24,dir=i386-softmmu
    Valid FAT types are only 12, 16 and 32
    qemu-io-old: can't open device (null): Could not open image: Invalid argument

After:
    $ ./qemu-io
    qemu-io> open -r -o driver=vvfat,fat-type=24,dir=i386-softmmu
    qemu-io: can't open device (null): Valid FAT types are only 12, 16 and 32

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-02-17 14:44:01 +01:00 committed by Kevin Wolf
parent 6890aad46b
commit c0f92b526d
1 changed files with 3 additions and 6 deletions
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9
block/vvfat.c
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@ -1086,16 +1086,14 @@ DLOG(if (stderr == NULL) {
opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (local_err) {
qerror_report_err(local_err);
error_free(local_err);
error_propagate(errp, local_err);
ret = -EINVAL;
goto fail;
}
dirname = qemu_opt_get(opts, "dir");
if (!dirname) {
qerror_report(ERROR_CLASS_GENERIC_ERROR, "vvfat block driver requires "
"a 'dir' option");
error_setg(errp, "vvfat block driver requires a 'dir' option");
ret = -EINVAL;
goto fail;
}
@ -1135,8 +1133,7 @@ DLOG(if (stderr == NULL) {
case 12:
break;
default:
qerror_report(ERROR_CLASS_GENERIC_ERROR, "Valid FAT types are only "
"12, 16 and 32");
error_setg(errp, "Valid FAT types are only 12, 16 and 32");
ret = -EINVAL;
goto fail;
}