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block: Clean up bdrv_img_create()'s error reporting

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bdrv_img_create() takes an Error ** argument and uses it in the
conventional way, except for one place: when qemu_opts_do_parse()
fails, it first reports its error to stderr or the HMP monitor with
error_report_err(), then error_setg()'s a generic error.

When the caller reports that second error similarly, this produces two
consecutive error messages on stderr or the HMP monitor.

When the caller does something else with it, such as send it via QMP,
the first error still goes to stderr or the HMP monitor.  Fortunately,
no such caller exists.

Simply use the first error as is.  Update expected output of
qemu-iotest 049 accordingly.

Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20181017082702.5581-37-armbru@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2018-10-17 10:27:00 +02:00
parent 5343bda42b
commit da7e92cac9
2 changed files with 4 additions and 11 deletions
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3
block.c
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@ -4803,9 +4803,6 @@ void bdrv_img_create(const char *filename, const char *fmt,
if (options) {
qemu_opts_do_parse(opts, options, NULL, &local_err);
if (local_err) {
error_report_err(local_err);
local_err = NULL;
error_setg(errp, "Invalid options for file format '%s'", fmt);
goto out;
}
}

12
tests/qemu-iotests/049.out
View File

@ -95,35 +95,31 @@ qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- -1024
qemu-img: Image size must be less than 8 EiB!
qemu-img create -f qcow2 -o size=-1024 TEST_DIR/t.qcow2
qemu-img: Value '-1024' is out of range for parameter 'size'
qemu-img: TEST_DIR/t.qcow2: Invalid options for file format 'qcow2'
qemu-img: TEST_DIR/t.qcow2: Value '-1024' is out of range for parameter 'size'
qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- -1k
qemu-img: Image size must be less than 8 EiB!
qemu-img create -f qcow2 -o size=-1k TEST_DIR/t.qcow2
qemu-img: Value '-1k' is out of range for parameter 'size'
qemu-img: TEST_DIR/t.qcow2: Invalid options for file format 'qcow2'
qemu-img: TEST_DIR/t.qcow2: Value '-1k' is out of range for parameter 'size'
qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- 1kilobyte
qemu-img: Invalid image size specified! You may use k, M, G, T, P or E suffixes for
qemu-img: kilobytes, megabytes, gigabytes, terabytes, petabytes and exabytes.
qemu-img create -f qcow2 -o size=1kilobyte TEST_DIR/t.qcow2
qemu-img: Parameter 'size' expects a non-negative number below 2^64
qemu-img: TEST_DIR/t.qcow2: Parameter 'size' expects a non-negative number below 2^64
Optional suffix k, M, G, T, P or E means kilo-, mega-, giga-, tera-, peta-
and exabytes, respectively.
qemu-img: TEST_DIR/t.qcow2: Invalid options for file format 'qcow2'
qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- foobar
qemu-img: Invalid image size specified! You may use k, M, G, T, P or E suffixes for
qemu-img: kilobytes, megabytes, gigabytes, terabytes, petabytes and exabytes.
qemu-img create -f qcow2 -o size=foobar TEST_DIR/t.qcow2
qemu-img: Parameter 'size' expects a non-negative number below 2^64
qemu-img: TEST_DIR/t.qcow2: Parameter 'size' expects a non-negative number below 2^64
Optional suffix k, M, G, T, P or E means kilo-, mega-, giga-, tera-, peta-
and exabytes, respectively.
qemu-img: TEST_DIR/t.qcow2: Invalid options for file format 'qcow2'
== Check correct interpretation of suffixes for cluster size ==