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authorDan Lambright <dlambrig@redhat.com>2015-03-25 14:25:33 -0400
committerNiels de Vos <ndevos@redhat.com>2015-04-04 10:37:55 -0700
commit13dbf333c47f0bc0efffddd4b8b83c4031cb7f36 (patch)
tree8b778fd8328081c9cd648388f19a520a0e90c058 /xlators/cluster/dht/src/tier.c
parent5599165e09e5c5e2862996b5f92cf1a1227b9039 (diff)
cluster/dht: Fix coverity bug in tiering code
The bug was: *** CID 1291734: Error handling issues (CHECKED_RETURN) /xlators/cluster/dht/src/tier.c: 451 in tier_build_migration_qfile() The fix is to check the return code to the remove library call. It is legal to fail, we just log an INFO level message. Change-Id: I026eb49276b394efa3b8092ee2cc209c470aacb2 BUG: 1194753 Signed-off-by: Dan Lambright <dlambrig@redhat.com> Reviewed-on: http://review.gluster.org/10000 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Niels de Vos <ndevos@redhat.com>
Diffstat (limited to 'xlators/cluster/dht/src/tier.c')
-rw-r--r--xlators/cluster/dht/src/tier.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/xlators/cluster/dht/src/tier.c b/xlators/cluster/dht/src/tier.c
index 028a42f7a1a..7e3eaa02c02 100644
--- a/xlators/cluster/dht/src/tier.c
+++ b/xlators/cluster/dht/src/tier.c
@@ -448,10 +448,25 @@ tier_build_migration_qfile (demotion_args_t *args,
gfdb_time_t time_in_past;
int ret = -1;
- remove (GET_QFILE_PATH (is_promotion));
+ /*
+ * The first time this function is called, query file will
+ * not exist on a given instance of running the migration daemon.
+ * The remove call is optimistic and it is legal if it fails.
+ */
+
+ ret = remove (GET_QFILE_PATH (is_promotion));
+ if (ret == -1) {
+ gf_msg (args->this->name, GF_LOG_INFO, 0,
+ DHT_MSG_LOG_TIER_STATUS,
+ "Failed to remove %s",
+ GET_QFILE_PATH (is_promotion));
+ }
+
time_in_past.tv_sec = args->freq_time;
time_in_past.tv_usec = 0;
- if (gettimeofday (&current_time, NULL) == -1) {
+
+ ret = gettimeofday (&current_time, NULL);
+ if (ret == -1) {
gf_log (args->this->name, GF_LOG_ERROR,
"Failed to get current timen");
goto out;