diff options
| author | David S. Miller <davem@davemloft.net> | 2008-07-18 02:39:39 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-18 02:39:39 -0700 |
| commit | 49997d75152b3d23c53b0fa730599f2f74c92c65 (patch) | |
| tree | 46e93126170d02cfec9505172e545732c1b69656 /drivers/char/dtlk.c | |
| parent | a0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
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/dtlk.c')
| -rw-r--r-- | drivers/char/dtlk.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c index abde6ddefe6..6b900b297cc 100644 --- a/drivers/char/dtlk.c +++ b/drivers/char/dtlk.c @@ -56,6 +56,7 @@ #include <linux/errno.h> /* for -EBUSY */ #include <linux/ioport.h> /* for request_region */ #include <linux/delay.h> /* for loops_per_jiffy */ +#include <linux/smp_lock.h> /* cycle_kernel_lock() */ #include <asm/io.h> /* for inb_p, outb_p, inb, outb, etc. */ #include <asm/uaccess.h> /* for get_user, etc. */ #include <linux/wait.h> /* for wait_queue */ @@ -288,10 +289,12 @@ static int dtlk_ioctl(struct inode *inode, } } +/* Note that nobody ever sets dtlk_busy... */ static int dtlk_open(struct inode *inode, struct file *file) { TRACE_TEXT("(dtlk_open"); + cycle_kernel_lock(); nonseekable_open(inode, file); switch (iminor(inode)) { case DTLK_MINOR: |