Author: pfg
Date: Sun Apr 19 23:55:59 2015
New Revision: 281756
URL: https://svnweb.freebsd.org/changeset/base/281756
Log:
nfsrpc_createv4: fix double free.
Reported by: Oliver Pinter, clang static checker
Obtained from: HardenedBSD (commit
63cac77c42c0c3fc67da62f97d5ab651d52ae707)
Reviewed by: rmacklem
MFC after: 5 days
Modified:
head/sys/fs/nfsclient/nfs_clrpcops.c
Modified: head/sys/fs/nfsclient/nfs_clrpcops.c
==============================================================================
--- head/sys/fs/nfsclient/nfs_clrpcops.c Sun Apr 19 23:45:04 2015
(r281755)
+++ head/sys/fs/nfsclient/nfs_clrpcops.c Sun Apr 19 23:55:59 2015
(r281756)
@@ -2153,8 +2153,10 @@ nfsrpc_createv4(vnode_t dvp, char *name,
(void) nfs_catnap(PZERO, ret, "nfs_crt2");
} while (ret == NFSERR_DELAY);
if (ret) {
- if (dp != NULL)
+ if (dp != NULL) {
FREE((caddr_t)dp, M_NFSCLDELEG);
+ dp = NULL;
+ }
if (ret == NFSERR_STALECLIENTID ||
ret == NFSERR_STALEDONTRECOVER ||
ret == NFSERR_BADSESSION)
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