diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-16 02:29:07 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-16 02:29:07 +0400 |
| commit | 82638844d9a8581bbf33201cc209a14876eca167 (patch) | |
| tree | 961d7f9360194421a71aa644a9d0c176a960ce49 /drivers/isdn/hardware | |
| parent | 9982fbface82893e77d211fbabfbd229da6bdde6 (diff) | |
| parent | 63cf13b77ab785e87c867defa8545e6d4a989774 (diff) | |
| download | linux-82638844d9a8581bbf33201cc209a14876eca167.tar.xz | |
Merge branch 'linus' into cpus4096
Conflicts:
arch/x86/xen/smp.c
kernel/sched_rt.c
net/iucv/iucv.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/isdn/hardware')
| -rw-r--r-- | drivers/isdn/hardware/eicon/divamnt.c | 16 | ||||
| -rw-r--r-- | drivers/isdn/hardware/eicon/divasi.c | 2 | ||||
| -rw-r--r-- | drivers/isdn/hardware/eicon/divasmain.c | 2 |
3 files changed, 15 insertions, 5 deletions
diff --git a/drivers/isdn/hardware/eicon/divamnt.c b/drivers/isdn/hardware/eicon/divamnt.c index c90928974249..1e85f743214e 100644 --- a/drivers/isdn/hardware/eicon/divamnt.c +++ b/drivers/isdn/hardware/eicon/divamnt.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/poll.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include "platform.h" @@ -127,14 +128,19 @@ static unsigned int maint_poll(struct file *file, poll_table * wait) static int maint_open(struct inode *ino, struct file *filep) { + int ret; + + lock_kernel(); /* only one open is allowed, so we test it atomically */ if (test_and_set_bit(0, &opened)) - return (-EBUSY); - - filep->private_data = NULL; - - return nonseekable_open(ino, filep); + ret = -EBUSY; + else { + filep->private_data = NULL; + ret = nonseekable_open(ino, filep); + } + unlock_kernel(); + return ret; } static int maint_close(struct inode *ino, struct file *filep) diff --git a/drivers/isdn/hardware/eicon/divasi.c b/drivers/isdn/hardware/eicon/divasi.c index 78f141e77466..f4969fe0a055 100644 --- a/drivers/isdn/hardware/eicon/divasi.c +++ b/drivers/isdn/hardware/eicon/divasi.c @@ -17,6 +17,7 @@ #include <linux/poll.h> #include <linux/proc_fs.h> #include <linux/skbuff.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include "platform.h" @@ -400,6 +401,7 @@ static unsigned int um_idi_poll(struct file *file, poll_table * wait) static int um_idi_open(struct inode *inode, struct file *file) { + cycle_kernel_lock(); return (0); } diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c index 16a874bb1561..fbbcb27fb681 100644 --- a/drivers/isdn/hardware/eicon/divasmain.c +++ b/drivers/isdn/hardware/eicon/divasmain.c @@ -21,6 +21,7 @@ #include <linux/list.h> #include <linux/poll.h> #include <linux/kmod.h> +#include <linux/smp_lock.h> #include "platform.h" #undef ID_MASK @@ -580,6 +581,7 @@ xdi_copy_from_user(void *os_handle, void *dst, const void __user *src, int lengt */ static int divas_open(struct inode *inode, struct file *file) { + cycle_kernel_lock(); return (0); } |