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/storage/posix | |
| 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/storage/posix')
| -rw-r--r-- | xlators/storage/posix/src/posix.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c index e9a8fc88692..2aba365e62b 100644 --- a/xlators/storage/posix/src/posix.c +++ b/xlators/storage/posix/src/posix.c @@ -530,7 +530,7 @@ out: dict_ref (xattr); STACK_UNWIND_STRICT (lookup, frame, op_ret, op_errno, - loc->inode, &buf, xattr, &postparent); + (loc)?loc->inode:NULL, &buf, xattr, &postparent); if (xattr) dict_unref (xattr); @@ -1175,7 +1175,7 @@ posix_mknod (call_frame_t *frame, xlator_t *this, SET_TO_OLD_FS_ID (); STACK_UNWIND_STRICT (mknod, frame, op_ret, op_errno, - loc->inode, &stbuf, &preparent, &postparent); + (loc)?loc->inode:NULL, &stbuf, &preparent, &postparent); if ((op_ret == -1) && (!was_present)) { unlink (real_path); @@ -1430,7 +1430,7 @@ posix_mkdir (call_frame_t *frame, xlator_t *this, SET_TO_OLD_FS_ID (); STACK_UNWIND_STRICT (mkdir, frame, op_ret, op_errno, - loc->inode, &stbuf, &preparent, &postparent); + (loc)?loc->inode:NULL, &stbuf, &preparent, &postparent); if ((op_ret == -1) && (!was_present)) { unlink (real_path); @@ -1702,7 +1702,7 @@ posix_symlink (call_frame_t *frame, xlator_t *this, SET_TO_OLD_FS_ID (); STACK_UNWIND_STRICT (symlink, frame, op_ret, op_errno, - loc->inode, &stbuf, &preparent, &postparent); + (loc)?loc->inode:NULL, &stbuf, &preparent, &postparent); if ((op_ret == -1) && (!was_present)) { unlink (real_path); @@ -1925,7 +1925,8 @@ posix_link (call_frame_t *frame, xlator_t *this, SET_TO_OLD_FS_ID (); STACK_UNWIND_STRICT (link, frame, op_ret, op_errno, - oldloc->inode, &stbuf, &preparent, &postparent); + (oldloc)?oldloc->inode:NULL, &stbuf, &preparent, + &postparent); if ((op_ret == -1) && (!was_present)) { unlink (real_newpath); @@ -2145,7 +2146,8 @@ posix_create (call_frame_t *frame, xlator_t *this, } STACK_UNWIND_STRICT (create, frame, op_ret, op_errno, - fd, loc->inode, &stbuf, &preparent, &postparent); + fd, (loc)?loc->inode:NULL, &stbuf, &preparent, + &postparent); return 0; } @@ -3543,11 +3545,11 @@ do_xattrop (call_frame_t *frame, xlator_t *this, if (loc) { path = gf_strdup (loc->path); inode = loc->inode; - } else { + } else if (fd) { inode = fd->inode; } - while (trav) { + while (trav && inode) { count = trav->value->len / sizeof (int32_t); array = GF_CALLOC (count, sizeof (int32_t), gf_posix_mt_int32_t); |