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linux-davinci
Commit f9c8154f authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Jonathan Corbet
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mousedev: BKL pushdown 

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent dca67e9d
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Showing with 10 additions and 2 deletions
drivers/input/mousedev.c
View file @ f9c8154f
...@@ -14,6 +14,7 @@ ...@@ -14,6 +14,7 @@
#define MOUSEDEV_MIX 31 #define MOUSEDEV_MIX 31
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/poll.h> #include <linux/poll.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/init.h> #include <linux/init.h>
...@@ -545,16 +546,21 @@ static int mousedev_open(struct inode *inode, struct file *file) ...@@ -545,16 +546,21 @@ static int mousedev_open(struct inode *inode, struct file *file)
if (i >= MOUSEDEV_MINORS) if (i >= MOUSEDEV_MINORS)
return -ENODEV; return -ENODEV;
lock_kernel();
error = mutex_lock_interruptible(&mousedev_table_mutex); error = mutex_lock_interruptible(&mousedev_table_mutex);
if (error) if (error) {
unlock_kernel();
return error; return error;
}
mousedev = mousedev_table[i]; mousedev = mousedev_table[i];
if (mousedev) if (mousedev)
get_device(&mousedev->dev); get_device(&mousedev->dev);
mutex_unlock(&mousedev_table_mutex); mutex_unlock(&mousedev_table_mutex);
if (!mousedev) if (!mousedev) {
unlock_kernel();
return -ENODEV; return -ENODEV;
}
client = kzalloc(sizeof(struct mousedev_client), GFP_KERNEL); client = kzalloc(sizeof(struct mousedev_client), GFP_KERNEL);
if (!client) { if (!client) {
...@@ -573,6 +579,7 @@ static int mousedev_open(struct inode *inode, struct file *file) ...@@ -573,6 +579,7 @@ static int mousedev_open(struct inode *inode, struct file *file)
goto err_free_client; goto err_free_client;
file->private_data = client; file->private_data = client;
unlock_kernel();
return 0; return 0;
err_free_client: err_free_client:
...@@ -580,6 +587,7 @@ static int mousedev_open(struct inode *inode, struct file *file) ...@@ -580,6 +587,7 @@ static int mousedev_open(struct inode *inode, struct file *file)
kfree(client); kfree(client);
err_put_mousedev: err_put_mousedev:
put_device(&mousedev->dev); put_device(&mousedev->dev);
unlock_kernel();
return error; return error;
} }
......
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