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authorRaghavendra G <raghavendra@gluster.com>2011-04-07 23:57:58 +0000
committerVijay Bellur <vijay@gluster.com>2011-04-08 03:26:51 -0700
commitd6a7e92da11663cdb6068466f22e230ceb0dc31d (patch)
tree13143b45767137f3dc1eff7da9b6c9c0e8e15c32 /xlators
parent25837b52939398bf3964d20301f0e641033c5c68 (diff)
features/quota: Add checks for any of the parents of file being NULL while checking limits.
Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Vijay Bellur <vijay@gluster.com> BUG: 2685 (nfs server crashed in quota_check_limit) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2685
Diffstat (limited to 'xlators')
-rw-r--r--xlators/features/quota/src/quota.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/xlators/features/quota/src/quota.c b/xlators/features/quota/src/quota.c
index ad06409412e..131a6ed0190 100644
--- a/xlators/features/quota/src/quota.c
+++ b/xlators/features/quota/src/quota.c
@@ -301,8 +301,6 @@ quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this,
call_stub_t *stub = NULL;
int32_t validate_count = 0, link_count = 0;
uint64_t value = 0;
- char *tmp_name = NULL;
- ino_t tmp_par = 0;
GF_VALIDATE_OR_GOTO ("quota", this, out);
GF_VALIDATE_OR_GOTO (this->name, frame, out);
@@ -320,8 +318,6 @@ quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this,
inode_ctx_get (inode, this, &value);
ctx = (quota_inode_ctx_t *)(unsigned long)value;
- tmp_name = name;
- tmp_par = par;
_inode = inode_ref (inode);
do {
@@ -358,23 +354,37 @@ quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this,
break;
}
- parent = inode_parent (_inode, tmp_par, tmp_name);
+ parent = inode_parent (_inode, par, name);
- if (tmp_name != NULL) {
- tmp_name = NULL;
- tmp_par = 0;
+ if (name != NULL) {
+ name = NULL;
+ par = 0;
+ }
+
+ if (parent == NULL) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "cannot find parent for inode (ino:%"PRId64", "
+ "gfid:%s)", _inode->ino,
+ uuid_utoa (_inode->gfid));
}
inode_unref (_inode);
_inode = parent;
+ if (_inode == NULL) {
+ break;
+ }
+
value = 0;
inode_ctx_get (_inode, this, &value);
ctx = (quota_inode_ctx_t *)(unsigned long)value;
} while (1);
ret = 0;
- inode_unref (_inode);
+
+ if (_inode != NULL) {
+ inode_unref (_inode);
+ }
LOCK (&local->lock);
{