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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-30 09:17:33 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-30 09:19:34 -0400 |
| commit | 2d9db75005effd6d4e0c8be4f74922e4f413fbe5 (patch) | |
| tree | aa90d75eb0610c8fdc07d5b5a936acce3a0c4316 /fs/nfs/dir.c | |
| parent | 6686390bab6a0e049fa7040631aee08b35a55293 (diff) | |
| download | blackbird-op-linux-2d9db75005effd6d4e0c8be4f74922e4f413fbe5.tar.gz blackbird-op-linux-2d9db75005effd6d4e0c8be4f74922e4f413fbe5.zip | |
NFS: Fix up two use-after-free issues with the new tracing code
We don't want to pass the context argument to trace_nfs_atomic_open_exit()
after it has been released.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/dir.c')
| -rw-r--r-- | fs/nfs/dir.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 4ce7f7696e11..d8149e916dd7 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1399,7 +1399,6 @@ static int nfs_finish_open(struct nfs_open_context *ctx, nfs_file_set_open_context(file, ctx); out: - put_nfs_open_context(ctx); return err; } @@ -1460,9 +1459,9 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry, inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr); nfs_unblock_sillyrename(dentry->d_parent); if (IS_ERR(inode)) { - put_nfs_open_context(ctx); err = PTR_ERR(inode); trace_nfs_atomic_open_exit(dir, ctx, open_flags, err); + put_nfs_open_context(ctx); switch (err) { case -ENOENT: d_drop(dentry); @@ -1484,6 +1483,7 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry, err = nfs_finish_open(ctx, ctx->dentry, file, open_flags, opened); trace_nfs_atomic_open_exit(dir, ctx, open_flags, err); + put_nfs_open_context(ctx); out: return err; |
