mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 05:01:48 +00:00
staging: dgrp: fix potential NULL defereference issue
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:
parent
f71ccaa4bf
commit
7defac36db
@ -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;
|
||||
|
Loading…
Reference in New Issue
Block a user