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Plug memory leaks.

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Detected by:	FlexeLint
Approved by:	jhb
This commit is contained in:
Poul-Henning Kamp 2002-09-30 19:19:47 +00:00
parent 854add2319
commit 50c2233141
1 changed files with 14 additions and 4 deletions
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18
sys/kern/kern_ktrace.c
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@ -325,8 +325,11 @@ ktrsyscall(code, narg, args)
bcopy(args, buf, buflen);
}
req = ktr_getrequest(KTR_SYSCALL);
if (req == NULL)
if (req == NULL) {
if (buf != NULL)
free(buf, M_KTRACE);
return;
}
ktp = &req->ktr_data.ktr_syscall;
ktp->ktr_code = code;
ktp->ktr_narg = narg;
@ -372,8 +375,11 @@ ktrnamei(path)
bcopy(path, buf, namelen);
}
req = ktr_getrequest(KTR_NAMEI);
if (req == NULL)
if (req == NULL) {
if (buf != NULL)
free(buf, M_KTRACE);
return;
}
if (namelen > 0) {
req->ktr_header.ktr_len = namelen;
req->ktr_header.ktr_buffer = buf;
@ -621,11 +627,15 @@ utrace(td, uap)
return (EINVAL);
cp = malloc(uap->len, M_KTRACE, M_WAITOK);
error = copyin(uap->addr, cp, uap->len);
if (error)
if (error) {
free(cp, M_KTRACE);
return (error);
}
req = ktr_getrequest(KTR_USER);
if (req == NULL)
if (req == NULL) {
free(cp, M_KTRACE);
return (0);
}
req->ktr_header.ktr_buffer = cp;
req->ktr_header.ktr_len = uap->len;
ktr_submitrequest(req);