vvfat: correctly propagate errors
commitc0f92b526dbd45fc5b539f51b7379156814dafe9
authorPaolo Bonzini <pbonzini@redhat.com>
Mon, 17 Feb 2014 13:44:01 +0000 (17 14:44 +0100)
committerKevin Wolf <kwolf@redhat.com>
Fri, 21 Feb 2014 20:02:23 +0000 (21 21:02 +0100)
tree26d580f02ce38ac8cd527b7d153d1e0806ed0b93
parent6890aad46b14849318053fe3ace6109e0f9c5932
vvfat: correctly propagate errors

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>
block/vvfat.c