CVS commit: src/sys/dev/i2c

["SAITOH Masanobu" <msaitoh%netbsd.org@localhost>]

Module Name:    src
Committed By:   msaitoh
Date:           Mon Jun 29 09:24:07 UTC 2020

Modified Files:
        src/sys/dev/i2c: sdtemp.c

Log Message:
 Check the return value of iic_acquire_bus(). This function may fail.

 One of the case is driver's detaching phase on shutdown. mutex_tryenter()
might fail and return with EBUSY. To avoid calling iic_release_bus() without
taking lock, check the return value of iic_acquire_bus().


To generate a diff of this commit:
cvs rdiff -u -r1.37 -r1.38 src/sys/dev/i2c/sdtemp.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.