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| author | Latchesar Ionkov <lucho@advancedsolutions.com> | 2006-03-07 21:55:42 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-08 14:14:02 -0800 |
| commit | 731805b49489055c1548f7ccfbd44c9b84013264 (patch) | |
| tree | 8ff2ee8091a911a6dfb15e02bfcb61d7a9af46b7 /fs | |
| parent | ed2da193fe6671fe4d7e34041bae40308d18247f (diff) | |
| download | lwn-731805b49489055c1548f7ccfbd44c9b84013264.tar.gz lwn-731805b49489055c1548f7ccfbd44c9b84013264.zip | |
[PATCH] v9fs: fix for access to unitialized variables or freed memory
Miscellaneous fixes related to accessing uninitialized variables or memory
that was already freed.
Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/9p/9p.c | 1 | ||||
| -rw-r--r-- | fs/9p/trans_fd.c | 1 | ||||
| -rw-r--r-- | fs/9p/vfs_inode.c | 8 | ||||
| -rw-r--r-- | fs/9p/vfs_super.c | 1 |
4 files changed, 4 insertions, 7 deletions
diff --git a/fs/9p/9p.c b/fs/9p/9p.c index 1a6d08761f39..f86a28d1d6a6 100644 --- a/fs/9p/9p.c +++ b/fs/9p/9p.c @@ -111,7 +111,6 @@ static void v9fs_t_clunk_cb(void *a, struct v9fs_fcall *tc, if (!rc) return; - dprintk(DEBUG_9P, "tcall id %d rcall id %d\n", tc->id, rc->id); v9ses = a; if (rc->id == RCLUNK) v9fs_put_idpool(fid, &v9ses->fidpool); diff --git a/fs/9p/trans_fd.c b/fs/9p/trans_fd.c index 1a28ef97a3d1..5b2ce21b10fa 100644 --- a/fs/9p/trans_fd.c +++ b/fs/9p/trans_fd.c @@ -80,6 +80,7 @@ static int v9fs_fd_send(struct v9fs_transport *trans, void *v, int len) if (!trans || trans->status != Connected || !ts) return -EIO; + oldfs = get_fs(); set_fs(get_ds()); /* The cast to a user pointer is valid due to the set_fs() */ ret = vfs_write(ts->out_file, (void __user *)v, len, &ts->out_file->f_pos); diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index dce729d42869..3ad8455f8577 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -265,8 +265,7 @@ v9fs_create(struct v9fs_session_info *v9ses, u32 pfid, char *name, fid = v9fs_get_idpool(&v9ses->fidpool); if (fid < 0) { eprintk(KERN_WARNING, "no free fids available\n"); - err = -ENOSPC; - goto error; + return -ENOSPC; } err = v9fs_t_walk(v9ses, pfid, fid, NULL, &fcall); @@ -313,8 +312,7 @@ v9fs_clone_walk(struct v9fs_session_info *v9ses, u32 fid, struct dentry *dentry) nfid = v9fs_get_idpool(&v9ses->fidpool); if (nfid < 0) { eprintk(KERN_WARNING, "no free fids available\n"); - err = -ENOSPC; - goto error; + return ERR_PTR(-ENOSPC); } err = v9fs_t_walk(v9ses, fid, nfid, (char *) dentry->d_name.name, @@ -612,7 +610,7 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, int result = 0; dprintk(DEBUG_VFS, "dir: %p dentry: (%s) %p nameidata: %p\n", - dir, dentry->d_iname, dentry, nameidata); + dir, dentry->d_name.name, dentry, nameidata); sb = dir->i_sb; v9ses = v9fs_inode2v9ses(dir); diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index cdf787ee08de..d05318fa684e 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -156,7 +156,6 @@ static struct super_block *v9fs_get_sb(struct file_system_type stat_result = v9fs_t_stat(v9ses, newfid, &fcall); if (stat_result < 0) { dprintk(DEBUG_ERROR, "stat error\n"); - kfree(fcall); v9fs_t_clunk(v9ses, newfid); } else { /* Setup the Root Inode */ |