block/sheepdog: remove spurious NULL check
'tag' is already checked in the lines immediately preceding this check, and set to non-NULL if NULL. No need to check again, it hasn't changed. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Jeff Cody <jcody@redhat.com>
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@ -1632,7 +1632,7 @@ static int sd_open(BlockDriverState *bs, QDict *options, int flags,
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if (!tag) {
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if (!tag) {
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tag = "";
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tag = "";
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}
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}
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if (tag && strlen(tag) >= SD_MAX_VDI_TAG_LEN) {
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if (strlen(tag) >= SD_MAX_VDI_TAG_LEN) {
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error_setg(errp, "value of parameter 'tag' is too long");
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error_setg(errp, "value of parameter 'tag' is too long");
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ret = -EINVAL;
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ret = -EINVAL;
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goto err_no_fd;
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goto err_no_fd;
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