From 2f15ffd6b5beef9abd501c594bc3cb38c2683f77 Mon Sep 17 00:00:00 2001 From: Amar Tumballi Date: Fri, 2 Jul 2010 04:55:28 +0000 Subject: 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 Signed-off-by: Anand V. Avati BUG: 966 (NULL check for avoiding NULL dereferencing of pointers..) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=966 --- libglusterfs/src/stack.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'libglusterfs/src/stack.h') diff --git a/libglusterfs/src/stack.h b/libglusterfs/src/stack.h index ac69e389f22..1ce46ccdc89 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--; \ -- cgit