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Fix ds1307 probing

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'compat' can never be NULL, because the compatible check loop ends when
compat->ocd_str is NULL.  This causes ds1307 to attach to any unclaimed i2c
device.
This commit is contained in:
Justin Hibbits 2016-09-24 05:27:12 +00:00
parent 8a03f98a8b
commit 4332304f56
1 changed files with 1 additions and 1 deletions
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2
sys/dev/iicbus/ds1307.c
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@ -274,7 +274,7 @@ ds1307_probe(device_t dev)
compat = ofw_bus_search_compatible(dev, ds1307_compat_data);
if (compat == NULL)
if (compat->ocd_str == NULL)
return (ENXIO);
device_set_desc(dev, (const char *)compat->ocd_data);