From 8ae5046eb6c86840ccecefbade1695e68055de33 Mon Sep 17 00:00:00 2001 From: "Kaleb S. KEITHLEY" Date: Tue, 29 Apr 2014 15:12:46 -0400 Subject: core: fix Ubuntu code audit (cppcheck) results See http://review.gluster.org/#/c/7583/ BZ 1086460 AFAICT these are false positives: [geo-replication/src/gsyncd.c:99]: (error) Memory leak: str [geo-replication/src/gsyncd.c:395]: (error) Memory leak: argv [xlators/nfs/server/src/nlm4.c:1200]: (error) Possible null pointer dereference: fde Program exits, resource leak not an issue [extras/geo-rep/gsync-sync-gfid.c:105]: (error) Resource leak: fp Test program: [extras/test/test-ffop.c:27]: (error) Buffer overrun possible for long command line arguments. Not built: [xlators/cluster/ha/src/ha.c:2699]: (error) Possible null pointer dereference: priv The remainder are fixed with this change-set: [heal/src/glfs-heal.c:357]: (error) Possible null pointer dereference: remote_subvol [libglusterfs/src/xlator.c:648]: (error) Uninitialized variable: gfid [libglusterfs/src/xlator.c:649]: (error) Uninitialized variable: gfid [xlators/cluster/afr/src/afr-inode-write.c:469]: (error) Possible null pointer dereference: frame [xlators/cluster/afr/src/afr-self-heal-common.c:1704]: (error) Possible null pointer dereference: local [xlators/cluster/dht/src/dht-rebalance.c:1643]: (error) Possible null pointer dereference: ctx [xlators/cluster/stripe/src/stripe.c:4963]: (error) Possible null pointer dereference: local [xlators/features/changelog/src/changelog.c:1464]: (error) Possible null pointer dereference: priv [xlators/mgmt/glusterd/src/glusterd-geo-rep.c:1656]: (error) Possible null pointer dereference: command [xlators/mgmt/glusterd/src/glusterd-replace-brick.c:914]: (error) Resource leak: file [xlators/mgmt/glusterd/src/glusterd-replace-brick.c:998]: (error) Resource leak: file [xlators/mgmt/glusterd/src/glusterd-sm.c:248]: (error) Possible null pointer dereference: new_ev_ctx [xlators/mgmt/glusterd/src/glusterd-store.c:1332]: (error) Possible null pointer dereference: handle [xlators/mgmt/glusterd/src/glusterd-utils.c:4706]: (error) Possible null pointer dereference: this [xlators/mgmt/glusterd/src/glusterd-utils.c:5613]: (error) Possible null pointer dereference: this [xlators/mgmt/glusterd/src/glusterd-utils.c:6342]: (error) Possible null pointer dereference: path_tokens [xlators/mgmt/glusterd/src/glusterd-utils.c:6343]: (error) Possible null pointer dereference: path_tokens [xlators/mount/fuse/src/fuse-bridge.c:4591]: (error) Uninitialized variable: finh [xlators/mount/fuse/src/fuse-bridge.c:3004]: (error) Possible null pointer dereference: state [xlators/nfs/server/src/nfs-common.c:89]: (error) Dangerous usage of 'volname' (strncpy doesn't always null-terminate it). [xlators/performance/quick-read/src/quick-read.c:585]: (error) Possible null pointer dereference: iobuf Rerunning cppcheck afterwards: As before, test program: [extras/test/test-ffop.c:27]: (error) Buffer overrun possible for long command line arguments. As before, believed to be false positive: [geo-replication/src/gsyncd.c:99]: (error) Memory leak: str [geo-replication/src/gsyncd.c:395]: (error) Memory leak: argv [xlators/nfs/server/src/nlm4.c:1200]: (error) Possible null pointer dereference: fde As before, not built: [xlators/cluster/ha/src/ha.c:2699]: (error) Possible null pointer dereference: priv False positive after fix: [heal/src/glfs-heal.c:356]: (error) Possible null pointer dereference: remote_subvol [xlators/cluster/stripe/src/stripe.c:4963]: (error) Possible null pointer dereference: local Change-Id: Ib3029d3223f5a13e2ac386a527d64d5ffe3ecb90 BUG: 1092037 Signed-off-by: Kaleb S. KEITHLEY Reviewed-on: http://review.gluster.org/7605 Tested-by: Gluster Build System Reviewed-by: Niels de Vos --- xlators/features/changelog/src/changelog.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) (limited to 'xlators/features/changelog') diff --git a/xlators/features/changelog/src/changelog.c b/xlators/features/changelog/src/changelog.c index 5fe3b436224..2f6553428f3 100644 --- a/xlators/features/changelog/src/changelog.c +++ b/xlators/features/changelog/src/changelog.c @@ -1461,14 +1461,16 @@ init (xlator_t *this) if (ret) { if (this->local_pool) mem_pool_destroy (this->local_pool); - if (priv->cb) { - ret = priv->cb->dtor (this, &priv->cd); - if (ret) - gf_log (this->name, GF_LOG_ERROR, - "error in cleanup during init()"); + if (priv) { + if (priv->cb) { + ret = priv->cb->dtor (this, &priv->cd); + if (ret) + gf_log (this->name, GF_LOG_ERROR, + "error in cleanup during init()"); + } + GF_FREE (priv->changelog_brick); + GF_FREE (priv->changelog_dir); } - GF_FREE (priv->changelog_brick); - GF_FREE (priv->changelog_dir); GF_FREE (priv); this->private = NULL; } else -- cgit