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block: do not abuse EMEDIUMTYPE

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Returning "Wrong medium type" for an image that does not have a valid
header is a bit weird.  Improve the error by mentioning what format
was trying to open it.

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 14:44:06 +01:00 • committed by Kevin Wolf
parent 89ac8480a8
commit 76abe4071d
9 changed files with 19 additions and 11 deletions
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3
block/bochs.c
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@ -129,7 +129,8 @@ static int bochs_open(BlockDriverState *bs, QDict *options, int flags,
strcmp(bochs.subtype, GROWING_TYPE) ||
((le32_to_cpu(bochs.version) != HEADER_VERSION) &&
(le32_to_cpu(bochs.version) != HEADER_V1))) {
return -EMEDIUMTYPE;
error_setg(errp, "Image not in Bochs format");
return -EINVAL;
}
if (le32_to_cpu(bochs.version) == HEADER_V1) {