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 /xlators/protocol/client/src/client3_1-fops.c | |
| 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 'xlators/protocol/client/src/client3_1-fops.c')
| -rw-r--r-- | xlators/protocol/client/src/client3_1-fops.c | 49 | 
1 files changed, 34 insertions, 15 deletions
diff --git a/xlators/protocol/client/src/client3_1-fops.c b/xlators/protocol/client/src/client3_1-fops.c index f91eebaddc6..5204ef032da 100644 --- a/xlators/protocol/client/src/client3_1-fops.c +++ b/xlators/protocol/client/src/client3_1-fops.c @@ -280,7 +280,6 @@ client3_1_mkdir_cbk (struct rpc_req *req, struct iovec *iov, int count,          }  out: -        frame->local = NULL;          STACK_UNWIND_STRICT (mkdir, frame, rsp.op_ret,                               gf_error_to_errno (rsp.op_errno), inode,                               &stbuf, &preparent, &postparent); @@ -2115,9 +2114,11 @@ client_fdctx_destroy (xlator_t *this, clnt_fd_ctx_t *fdctx)          }  out: -        fdctx->remote_fd = -1; -        inode_unref (fdctx->inode); -        GF_FREE (fdctx); +        if (fdctx) { +                fdctx->remote_fd = -1; +                inode_unref (fdctx->inode); +                GF_FREE (fdctx); +        }          return ret;  } @@ -2237,8 +2238,10 @@ out:          if (fdctx)                  client_fdctx_destroy (frame->this, fdctx); -        frame->local = NULL; -        STACK_DESTROY (frame->root); +        if (frame) { +                frame->local = NULL; +                STACK_DESTROY (frame->root); +        }          client_local_wipe (local); @@ -2555,15 +2558,16 @@ client3_1_lookup (call_frame_t *frame, xlator_t *this,          return 0;  unwind: -        frame->local = NULL; +        if (frame) +                frame->local = NULL; +          STACK_UNWIND_STRICT (lookup, frame, -1, op_errno, NULL, NULL, NULL, NULL);          if (local)                  client_local_wipe (local); -        if (req.dict.dict_val) { +        if (req.dict.dict_val)                  GF_FREE (req.dict.dict_val); -        }          return 0;  } @@ -2900,8 +2904,11 @@ client3_1_symlink (call_frame_t *frame, xlator_t *this,          return 0;  unwind: -        frame->local = NULL; +        if (frame) +                frame->local = NULL; +          STACK_UNWIND_STRICT (symlink, frame, -1, op_errno, NULL, NULL, NULL, NULL); +          if (local)                  client_local_wipe (local);          return 0; @@ -3074,8 +3081,11 @@ client3_1_mknod (call_frame_t *frame, xlator_t *this,          return 0;  unwind: -        frame->local = NULL; +        if (frame) +                frame->local = NULL; +          STACK_UNWIND_STRICT (mknod, frame, -1, op_errno, NULL, NULL, NULL, NULL); +          if (local)                  client_local_wipe (local);          return 0; @@ -3130,8 +3140,11 @@ client3_1_mkdir (call_frame_t *frame, xlator_t *this,          return 0;  unwind: -        frame->local = NULL; +        if (frame) +                frame->local = NULL; +          STACK_UNWIND_STRICT (mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL); +          if (local)                  client_local_wipe (local);          return 0; @@ -3187,7 +3200,9 @@ client3_1_create (call_frame_t *frame, xlator_t *this,          return 0;  unwind: -        frame->local = NULL; +        if (frame) +                frame->local = NULL; +          STACK_UNWIND_STRICT (create, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);          if (local)                  client_local_wipe (local); @@ -3243,8 +3258,11 @@ client3_1_open (call_frame_t *frame, xlator_t *this,          return 0;  unwind: -        frame->local = NULL; +        if (frame) +                frame->local = NULL; +          STACK_UNWIND_STRICT (open, frame, -1, op_errno, NULL); +          if (local)                  client_local_wipe (local);          return 0; @@ -3555,7 +3573,8 @@ client3_1_opendir (call_frame_t *frame, xlator_t *this,          return 0;  unwind: -        frame->local = NULL; +        if (frame) +                frame->local = NULL;          STACK_UNWIND_STRICT (opendir, frame, -1, op_errno, NULL);          if (local)                  client_local_wipe (local);  | 
