From 8732901e1b8a5add02a2b747875202133413d565 Mon Sep 17 00:00:00 2001 From: Kevin Wolf Date: Thu, 2 May 2013 15:32:55 +0200 Subject: [PATCH] blockdev: Replace "undefined error" in qmp_block_resize We have an errno value that can be displayed, so we should just do that. An easy way to reproduce this case is to resize a raw image to a size that is too large for the host file system. Signed-off-by: Kevin Wolf Reviewed-by: Eric Blake Signed-off-by: Stefan Hajnoczi --- blockdev.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/blockdev.c b/blockdev.c index 6e293e9..7c9d8dd 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1118,6 +1118,7 @@ int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data) void qmp_block_resize(const char *device, int64_t size, Error **errp) { BlockDriverState *bs; + int ret; bs = bdrv_find(device); if (!bs) { @@ -1133,7 +1134,8 @@ void qmp_block_resize(const char *device, int64_t size, Error **errp) /* complete all in-flight operations before resizing the device */ bdrv_drain_all(); - switch (bdrv_truncate(bs, size)) { + ret = bdrv_truncate(bs, size); + switch (ret) { case 0: break; case -ENOMEDIUM: @@ -1149,7 +1151,7 @@ void qmp_block_resize(const char *device, int64_t size, Error **errp) error_set(errp, QERR_DEVICE_IN_USE, device); break; default: - error_set(errp, QERR_UNDEFINED_ERROR); + error_setg_errno(errp, -ret, "Could not resize"); break; } } -- 2.7.4