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b=bJTwCaMd08mPMPa8KJsX6fFB2rBPI3OTpOnGaqrEQTBSsm43pVxuST/rS2ZiI0I8aSW201 bCN6QgR7c+XVo27HnckVdoKyXxgd3NO3VF8TzsQeUtyFP55ZSn2oHUOYUBXV8E3Lhj2kNa M6UjdZDaeGdPvyLnDiktO4ZIEpEx+m0= X-MC-Unique: KMixxfaLPVWaOy35A9o1gw-1 From: Stefano Garzarella To: qemu-devel@nongnu.org Subject: [PATCH] blockjob: report a better error message Date: Tue, 23 Feb 2021 14:11:50 +0100 Message-Id: <20210223131150.124867-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=sgarzare@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=sgarzare@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , John Snow , qemu-block@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" When a block job fails, we report 'strerror(-job->job.ret)' error message, also if the job set an error object. Let's report a better error message using 'error_get_pretty(job->job.err)'. If an error object was not set, strerror(-job->ret) is used as fallback, as explained in include/qemu/job.h: typedef struct Job { ... /** * Error object for a failed job. * If job->ret is nonzero and an error object was not set, it will be s= et * to strerror(-job->ret) during job_completed. */ Error *err; } Suggested-by: Kevin Wolf Signed-off-by: Stefano Garzarella --- blockjob.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/blockjob.c b/blockjob.c index f2feff051d..a696f3408d 100644 --- a/blockjob.c +++ b/blockjob.c @@ -319,7 +319,8 @@ BlockJobInfo *block_job_query(BlockJob *job, Error **er= rp) info->auto_finalize =3D job->job.auto_finalize; info->auto_dismiss =3D job->job.auto_dismiss; info->has_error =3D job->job.ret !=3D 0; - info->error =3D job->job.ret ? g_strdup(strerror(-job->job.ret)) := NULL; + info->error =3D job->job.ret ? + g_strdup(error_get_pretty(job->job.err)) : NULL; return info; } =20 @@ -356,7 +357,7 @@ static void block_job_event_completed(Notifier *n, void= *opaque) } =20 if (job->job.ret < 0) { - msg =3D strerror(-job->job.ret); + msg =3D error_get_pretty(job->job.err); } =20 qapi_event_send_block_job_completed(job_type(&job->job), --=20 2.29.2