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authorAmar Tumballi <amar@gluster.com>2010-07-02 04:55:28 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-07-02 05:17:03 -0700
commit2f15ffd6b5beef9abd501c594bc3cb38c2683f77 (patch)
tree107176560e1a97c42f3535380ef49d4dee3b0cd6 /xlators/protocol/legacy/client
parent3dc79ca8e6119f5ff61058cc87f9a4fc251017ef (diff)
NULL dereference fixes in code base after running with 'clang'
* 212 logical (NULL deref/divide by zero) errors reduced to 28 (27 of them in contrib/ and lex part of codebase, 1 is invalid) * 11 API errors reduced to 0 Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 966 (NULL check for avoiding NULL dereferencing of pointers..) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=966
Diffstat (limited to 'xlators/protocol/legacy/client')
-rw-r--r--xlators/protocol/legacy/client/src/client-protocol.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/xlators/protocol/legacy/client/src/client-protocol.c b/xlators/protocol/legacy/client/src/client-protocol.c
index dae31dcb3..0dc5bee5d 100644
--- a/xlators/protocol/legacy/client/src/client-protocol.c
+++ b/xlators/protocol/legacy/client/src/client-protocol.c
@@ -302,6 +302,8 @@ call_bail (void *data)
gf_ops = gf_cbks;
gf_op_list = gf_cbk_list;
break;
+ default:
+ goto out;
}
localtime_r (&trav->saved_at.tv_sec, &frame_sent_tm);
@@ -3255,6 +3257,9 @@ client_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc,
client_local_t *local = NULL;
char *buf = NULL;
+ GF_VALIDATE_OR_GOTO (this->name, loc, unwind);
+ GF_VALIDATE_OR_GOTO (this->name, loc->path, unwind);
+
local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t);
GF_VALIDATE_OR_GOTO (this->name, local, unwind);
@@ -3262,9 +3267,6 @@ client_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc,
frame->local = local;
- GF_VALIDATE_OR_GOTO (this->name, loc, unwind);
- GF_VALIDATE_OR_GOTO (this->name, loc->path, unwind);
-
if (loc->ino != 1 && loc->parent) {
ret = inode_ctx_get2 (loc->parent, this, &par, &gen);
if (loc->parent->ino && ret < 0) {
@@ -3319,7 +3321,7 @@ client_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc,
return ret;
unwind:
- STACK_UNWIND (frame, op_ret, op_errno, loc->inode, NULL, NULL);
+ STACK_UNWIND (frame, op_ret, op_errno, (loc)?loc->inode:NULL, NULL, NULL);
return ret;
}