diff options
author | Amar Tumballi <amar@gluster.com> | 2010-07-02 04:55:28 +0000 |
---|---|---|
committer | Anand V. Avati <avati@dev.gluster.com> | 2010-07-02 05:17:03 -0700 |
commit | 2f15ffd6b5beef9abd501c594bc3cb38c2683f77 (patch) | |
tree | 107176560e1a97c42f3535380ef49d4dee3b0cd6 /libglusterfs/src/stack.h | |
parent | 3dc79ca8e6119f5ff61058cc87f9a4fc251017ef (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 'libglusterfs/src/stack.h')
-rw-r--r-- | libglusterfs/src/stack.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libglusterfs/src/stack.h b/libglusterfs/src/stack.h index ac69e389f..1ce46ccdc 100644 --- a/libglusterfs/src/stack.h +++ b/libglusterfs/src/stack.h @@ -253,7 +253,10 @@ STACK_DESTROY (call_stack_t *stack) ret_fn_t fn = NULL; \ call_frame_t *_parent = NULL; \ xlator_t *old_THIS = NULL; \ - \ + if (!frame) { \ + gf_log ("stack", GF_LOG_CRITICAL, "!frame"); \ + break; \ + } \ fn = frame->ret; \ _parent = frame->parent; \ _parent->ref_count--; \ @@ -277,6 +280,10 @@ STACK_DESTROY (call_stack_t *stack) call_frame_t *_parent = NULL; \ xlator_t *old_THIS = NULL; \ \ + if (!frame) { \ + gf_log ("stack", GF_LOG_CRITICAL, "!frame"); \ + break; \ + } \ fn = (fop_##op##_cbk_t )frame->ret; \ _parent = frame->parent; \ _parent->ref_count--; \ |