svn commit: r183846 - head/sys/kern
Roman Divacky
rdivacky at FreeBSD.org
Mon Oct 13 21:04:52 UTC 2008
Author: rdivacky
Date: Mon Oct 13 21:04:52 2008
New Revision: 183846
URL: http://svn.freebsd.org/changeset/base/183846
Log:
Check the result of copyin and in a case of error
return one. This prevents setting wrong priority
or (more likely) returning EINVAL.
Approved by: kib (mentor)
Modified:
head/sys/kern/kern_thr.c
Modified: head/sys/kern/kern_thr.c
==============================================================================
--- head/sys/kern/kern_thr.c Mon Oct 13 21:02:19 2008 (r183845)
+++ head/sys/kern/kern_thr.c Mon Oct 13 21:04:52 2008 (r183846)
@@ -126,6 +126,8 @@ kern_thr_new(struct thread *td, struct t
rtpp = NULL;
if (param->rtp != 0) {
error = copyin(param->rtp, &rtp, sizeof(struct rtprio));
+ if (error)
+ return (error);
rtpp = &rtp;
}
error = create_thread(td, NULL, param->start_func, param->arg,
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