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staging: dgrp: fix potential NULL defereference issue

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Fix a coccinelle warning catched by Fengguang's 0-DAY system:
+ drivers/staging/dgrp/dgrp_net_ops.c:1061:11-27: ERROR: nd is NULL but dereferenced.

Put the "done:" label a bit down would solve this issue.

Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yuanhan Liu 2012-10-29 13:50:37 +08:00 committed by Greg Kroah-Hartman
parent f71ccaa4bf
commit 7defac36db
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/dgrp/dgrp_net_ops.c
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@ -1057,13 +1057,13 @@ static int dgrp_net_release(struct inode *inode, struct file *file)
spin_unlock_irqrestore(&dgrp_poll_data.poll_lock, lock_flags);
done:
down(&nd->nd_net_semaphore);
dgrp_monitor_message(nd, "Net Close");
up(&nd->nd_net_semaphore);
done:
module_put(THIS_MODULE);
file->private_data = NULL;
return 0;