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| author | David S. Miller <davem@davemloft.net> | 2008-07-18 11:39:39 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-18 11:39:39 +0200 |
| commit | 49997d75152b3d23c53b0fa730599f2f74c92c65 (patch) | |
| tree | 46e93126170d02cfec9505172e545732c1b69656 /drivers/char/agp/frontend.c | |
| parent | pkt_sched: Make default qdisc nonshared-multiqueue safe. (diff) | |
| parent | Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
| download | linux-49997d75152b3d23c53b0fa730599f2f74c92c65.tar.xz linux-49997d75152b3d23c53b0fa730599f2f74c92c65.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/powerpc/booting-without-of.txt
drivers/atm/Makefile
drivers/net/fs_enet/fs_enet-main.c
drivers/pci/pci-acpi.c
net/8021q/vlan.c
net/iucv/iucv.c
Diffstat (limited to 'drivers/char/agp/frontend.c')
| -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 e6cb1ab03e06..a96f3197e60f 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; } |