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DEVICE(9): Avoid NULL pointer access

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Sebastian Huber
2017-02-14 11:48:46 +01:00
parent fd34b5202f
commit a8e84c62ae
1 changed files with 3 additions and 0 deletions
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3
freebsd/sys/kern/subr_bus.c
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@@ -272,6 +272,9 @@ device_sysctl_handler(SYSCTL_HANDLER_ARGS)
break;
case DEVICE_SYSCTL_PARENT:
value = dev->parent ? dev->parent->nameunit : "";
#ifdef __rtems__
value = value ? value : "";
#endif /* __rtems__ */
break;
default:
return (EINVAL);