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HID: cdev lock_kernel() pushdown

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Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Jonathan Corbet
2008-05-15 10:25:44 -06:00
parent 72b67048f5
commit 702e57d9ef
1 changed files with 3 additions and 0 deletions
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3
drivers/hid/hidraw.c
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@@ -30,6 +30,7 @@
#include <linux/major.h> #include <linux/major.h>
#include <linux/hid.h> #include <linux/hid.h>
#include <linux/mutex.h> #include <linux/mutex.h>
#include <linux/smp_lock.h>
#include <linux/hidraw.h> #include <linux/hidraw.h>
@@ -157,6 +158,7 @@ static int hidraw_open(struct inode *inode, struct file *file)
struct hidraw_list *list; struct hidraw_list *list;
int err = 0; int err = 0;
lock_kernel();
if (!(list = kzalloc(sizeof(struct hidraw_list), GFP_KERNEL))) { if (!(list = kzalloc(sizeof(struct hidraw_list), GFP_KERNEL))) {
err = -ENOMEM; err = -ENOMEM;
goto out; goto out;
@@ -183,6 +185,7 @@ static int hidraw_open(struct inode *inode, struct file *file)
out_unlock: out_unlock:
spin_unlock(&minors_lock); spin_unlock(&minors_lock);
out: out:
unlock_kernel();
return err; return err;
} }