MySQL Bugs: #108518: Return value of flush_io

Bug #108518	Return value of flush_io_cache() not get checked
Submitted:	16 Sep 2022 1:56	Modified:	16 Sep 2022 6:05
Reporter:	Li Zhong	Email Updates:
Status:	Verified	Impact on me:	None
Category:	MySQL Server: Compiling	Severity:	S3 (Non-critical)
Version:	8.0.21	OS:	Any
Assigned to:		CPU Architecture:	Any

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Description:
In https://github.com/mysql/mysql-server/blob/mysql-cluster-8.0.21/mysys/mf_iocache.cc#L677, flush_io_cache() can return error code but it's now unchecked.

How to repeat:
We find this by our static analysis tool. The analysis result is checked manually.

Suggested fix:
Add the check on it.

Hello Li Zhong,

Thank you for the report and feedback.

regards,
Umesh