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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/sbus/char/bpp.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/sbus/char/bpp.c')
| -rw-r--r-- | drivers/sbus/char/bpp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/sbus/char/bpp.c b/drivers/sbus/char/bpp.c index 03c966059471..bba21e053a1b 100644 --- a/drivers/sbus/char/bpp.c +++ b/drivers/sbus/char/bpp.c @@ -19,6 +19,7 @@ #include <linux/timer.h> #include <linux/ioport.h> #include <linux/major.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -429,6 +430,7 @@ static int bpp_open(struct inode *inode, struct file *f) unsigned minor = iminor(inode); int ret; + lock_kernel(); spin_lock(&bpp_open_lock); ret = 0; if (minor >= BPP_NO) { @@ -444,6 +446,7 @@ static int bpp_open(struct inode *inode, struct file *f) } } spin_unlock(&bpp_open_lock); + unlock_kernel(); return ret; } |