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| author | Arnd Bergmann <arnd@arndb.de> | 2008-05-20 19:15:30 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 14:05:54 -0600 |
| commit | a076230134f3083a58cef99e48b127818ef01e7a (patch) | |
| tree | 84aece35481ff8bed415875aa88a27bcabe155af /drivers/char/agp | |
| parent | 8f5934278d1d86590244c2791b28f77d67466007 (diff) | |
| download | blackbird-op-linux-a076230134f3083a58cef99e48b127818ef01e7a.tar.gz blackbird-op-linux-a076230134f3083a58cef99e48b127818ef01e7a.zip | |
agp-frontend: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/char/agp')
| -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; } |
