diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2008-05-20 19:15:30 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-05-26 08:54:48 -0600 |
| commit | f6a2832045fb938d9551b57212cf49a6b18b6dfd (patch) | |
| tree | cffb81041c53683384c3a3fde1e7547c3ca8007b /drivers | |
| parent | 35e447fc2fa408df8af2c8735f83a90cafe651ff (diff) | |
agp-frontend: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/agp/frontend.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c index 857b26227d87..963eff28fa00 100644 --- a/drivers/char/agp/frontend.c +++ b/drivers/char/agp/frontend.c @@ -39,6 +39,7 @@ #include <linux/mm.h> #include <linux/fs.h> #include <linux/sched.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include "agp.h" @@ -677,6 +678,7 @@ static int agp_open(struct inode *inode, struct file *file) struct agp_client *client; int rc = -ENXIO; + lock_kernel(); mutex_lock(&(agp_fe.agp_mutex)); if (minor != AGPGART_MINOR) @@ -703,12 +705,14 @@ static int agp_open(struct inode *inode, struct file *file) agp_insert_file_private(priv); DBG("private=%p, client=%p", priv, client); mutex_unlock(&(agp_fe.agp_mutex)); + unlock_kernel(); return 0; err_out_nomem: rc = -ENOMEM; err_out: mutex_unlock(&(agp_fe.agp_mutex)); + unlock_kernel(); return rc; } |