From: Amnon Aaronsohn Date: Mon, 09 Apr 2007 22:05:26 -0700 NFS: statfs error-handling fix The nfs statfs function returns a success code on error, and fills the output buffer with invalid values. The attached patch makes it return a correct error code instead. Signed-off-by: Amnon Aaronsohn Cc: Trond Myklebust Signed-off-by: Andrew Morton Signed-off-by: Trond Myklebust (Modified patch to reinstate the dprintk()) --- fs/nfs/super.c | 9 ++++----- 1 files changed, 4 insertions(+), 5 deletions(-) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index f1eae44..719464a 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -204,9 +204,9 @@ static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf) lock_kernel(); error = server->nfs_client->rpc_ops->statfs(server, fh, &res); - buf->f_type = NFS_SUPER_MAGIC; if (error < 0) goto out_err; + buf->f_type = NFS_SUPER_MAGIC; /* * Current versions of glibc do not correctly handle the @@ -233,15 +233,14 @@ static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_ffree = res.afiles; buf->f_namelen = server->namelen; - out: + unlock_kernel(); return 0; out_err: dprintk("%s: statfs error = %d\n", __FUNCTION__, -error); - buf->f_bsize = buf->f_blocks = buf->f_bfree = buf->f_bavail = -1; - goto out; - + unlock_kernel(); + return error; } /*