Module Name: src Committed By: jdc Date: Sat Dec 5 14:48:09 UTC 2020
Modified Files: src/sys/dev/i2c: pcf8574.c Log Message: When matching, try a read in case this is an optional device and isn't actually present. Make sure that we set sc->sc_sme to NULL in failure cases and when we detach in order to avoid calling sysmon_envsys_unregister() with an invalid struct. To generate a diff of this commit: cvs rdiff -u -r1.2 -r1.3 src/sys/dev/i2c/pcf8574.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.