The variable is unused and cause gcc warning:
fs/coda/file.c:241:6: warning: variable ‘err’ set but not used
[-Wunused-but-set-variable]
So let's remove it.

Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Jan Harkes <jaharkes@cs.cmu.edu> 
Cc: coda@cs.cmu.edu 
Cc: codalist@coda.cs.cmu.edu 
Cc: linux-kernel@vger.kernel.org 
---
 fs/coda/file.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/coda/file.c b/fs/coda/file.c
index 128d63df5bfb..31a7ba383cb2 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -238,11 +238,10 @@ int coda_release(struct inode *coda_inode, struct file *coda_file)
 	struct coda_file_info *cfi;
 	struct coda_inode_info *cii;
 	struct inode *host_inode;
-	int err;
 
 	cfi = coda_ftoc(coda_file);
 
-	err = venus_close(coda_inode->i_sb, coda_i2f(coda_inode),
+	venus_close(coda_inode->i_sb, coda_i2f(coda_inode),
 			  coda_flags, coda_file->f_cred->fsuid);
 
 	host_inode = file_inode(cfi->cfi_container);
-- 
1.8.3.1