diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-30 12:35:11 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-30 12:35:11 +0100 |
| commit | 67577927e8d7a1f4b09b4992df640eadc6aacb36 (patch) | |
| tree | 2e9efe6b5745965faf0dcc084d4613d9356263f9 /drivers/char/applicom.c | |
| parent | 6fe4c590313133ebd5dadb769031489ff178ece1 (diff) | |
| parent | 51f00a471ce8f359627dd99aeac322947a0e491b (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Conflicts:
drivers/mtd/mtd_blkdevs.c
Merge Grant's device-tree bits so that we can apply the subsequent fixes.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/char/applicom.c')
| -rw-r--r-- | drivers/char/applicom.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c index f4ae0e0fb63..e7ba774beda 100644 --- a/drivers/char/applicom.c +++ b/drivers/char/applicom.c @@ -26,7 +26,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/errno.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/miscdevice.h> #include <linux/pci.h> #include <linux/wait.h> @@ -60,6 +60,7 @@ #define PCI_DEVICE_ID_APPLICOM_PCI2000PFB 0x0003 #endif +static DEFINE_MUTEX(ac_mutex); static char *applicom_pci_devnames[] = { "PCI board", "PCI2000IBS / PCI2000CAN", @@ -707,7 +708,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (IS_ERR(adgl)) return PTR_ERR(adgl); - lock_kernel(); + mutex_lock(&ac_mutex); IndexCard = adgl->num_card-1; if(cmd != 6 && ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) { @@ -717,7 +718,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) warncount--; } kfree(adgl); - unlock_kernel(); + mutex_unlock(&ac_mutex); return -EINVAL; } @@ -835,7 +836,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } Dummy = readb(apbs[IndexCard].RamIO + VERS); kfree(adgl); - unlock_kernel(); + mutex_unlock(&ac_mutex); return 0; } |