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Check the result of copyin and in a case of error

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return one. This prevents setting wrong priority
or (more likely) returning EINVAL.

Approved by:	kib (mentor)
This commit is contained in:
Roman Divacky 2008-10-13 21:04:52 +00:00
parent 5fa1f5447b
commit e4866772c3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=183846
1 changed files with 2 additions and 0 deletions
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2
sys/kern/kern_thr.c
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@ -126,6 +126,8 @@ kern_thr_new(struct thread *td, struct thr_param *param)
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,