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| author | Jonathan Corbet <corbet@lwn.net> | 2008-05-15 18:25:44 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 22:05:47 +0200 |
| commit | 702e57d9ef7002f8d362faa6ddebc59e6d43fa05 (patch) | |
| tree | 62254d1b92499aaebd062833f1eb8921eafdd914 /drivers/hid/hidraw.c | |
| parent | UBI: cdev lock_kernel() pushdown (diff) | |
| download | linux-702e57d9ef7002f8d362faa6ddebc59e6d43fa05.tar.xz linux-702e57d9ef7002f8d362faa6ddebc59e6d43fa05.zip | |
HID: cdev lock_kernel() pushdown
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'drivers/hid/hidraw.c')
| -rw-r--r-- | drivers/hid/hidraw.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 1ca6f4635eeb..2fde6c63f47d 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -30,6 +30,7 @@ #include <linux/major.h> #include <linux/hid.h> #include <linux/mutex.h> +#include <linux/smp_lock.h> #include <linux/hidraw.h> @@ -157,6 +158,7 @@ static int hidraw_open(struct inode *inode, struct file *file) struct hidraw_list *list; int err = 0; + lock_kernel(); if (!(list = kzalloc(sizeof(struct hidraw_list), GFP_KERNEL))) { err = -ENOMEM; goto out; @@ -183,6 +185,7 @@ static int hidraw_open(struct inode *inode, struct file *file) out_unlock: spin_unlock(&minors_lock); out: + unlock_kernel(); return err; } |