Author: pfg
Date: Fri Apr 24 02:15:14 2015
New Revision: 281913
URL: https://svnweb.freebsd.org/changeset/base/281913
Log:
MFC r281756:
nfsrpc_createv4: fix double free.
Reported by: Oliver Pinter, clang static checker
Obtained from: HardenedBSD (63cac77c42c0c3fc67da62f97d5ab651d52ae707)
Reviewed by: rmacklem
Modified:
stable/9/sys/fs/nfsclient/nfs_clrpcops.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/fs/ (props changed)
Modified: stable/9/sys/fs/nfsclient/nfs_clrpcops.c
==============================================================================
--- stable/9/sys/fs/nfsclient/nfs_clrpcops.c Fri Apr 24 02:14:01 2015
(r281912)
+++ stable/9/sys/fs/nfsclient/nfs_clrpcops.c Fri Apr 24 02:15:14 2015
(r281913)
@@ -2027,8 +2027,10 @@ 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)
error = ret;
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