Author: avg
Date: Sat Oct 6 20:16:04 2012
New Revision: 241303
URL: http://svn.freebsd.org/changeset/base/241303
Log:
kvm_getprocs: gracefully handle errors from kvm_deadprocs
and don't confuse callers with incorrect return value
MFC after: 9 days
Modified:
head/lib/libkvm/kvm_proc.c
Modified: head/lib/libkvm/kvm_proc.c
==============================================================================
--- head/lib/libkvm/kvm_proc.c Sat Oct 6 20:12:24 2012 (r241302)
+++ head/lib/libkvm/kvm_proc.c Sat Oct 6 20:16:04 2012 (r241303)
@@ -593,9 +593,15 @@ liveout:
nprocs = kvm_deadprocs(kd, op, arg, nl[1].n_value,
nl[2].n_value, nprocs);
+ if (nprocs <= 0) {
+ _kvm_freeprocs(kd);
+ nprocs = 0;
+ }
#ifdef notdef
- size = nprocs * sizeof(struct kinfo_proc);
- (void)realloc(kd->procbase, size);
+ else {
+ size = nprocs * sizeof(struct kinfo_proc);
+ kd->procbase = realloc(kd->procbase, size);
+ }
#endif
}
*cnt = nprocs;
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