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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 13:49:54 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 13:49:54 -0400
commitc37927d4359e81b85de644f8fb08878717cf5f3f (patch)
tree25dabf2d905e1410819d1bdaba0bf5f779100d3c /drivers/char/mmtimer.c
parent5704e44d283e907623e3775c1262f206a2c48cf3 (diff)
parent2a48fc0ab24241755dc93bfd4f01d68efab47f5a (diff)
Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl: block: autoconvert trivial BKL users to private mutex drivers: autoconvert trivial BKL users to private mutex ipmi: autoconvert trivial BKL users to private mutex mac: autoconvert trivial BKL users to private mutex mtd: autoconvert trivial BKL users to private mutex scsi: autoconvert trivial BKL users to private mutex Fix up trivial conflicts (due to addition of private mutex right next to deletion of a version string) in drivers/char/pcmcia/cm40[04]0_cs.c
Diffstat (limited to 'drivers/char/mmtimer.c')
-rw-r--r--drivers/char/mmtimer.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c
index ea7c99fa978f..fe4697844ec1 100644
--- a/drivers/char/mmtimer.c
+++ b/drivers/char/mmtimer.c
@@ -32,7 +32,7 @@
32#include <linux/interrupt.h> 32#include <linux/interrupt.h>
33#include <linux/time.h> 33#include <linux/time.h>
34#include <linux/math64.h> 34#include <linux/math64.h>
35#include <linux/smp_lock.h> 35#include <linux/mutex.h>
36#include <linux/slab.h> 36#include <linux/slab.h>
37 37
38#include <asm/uaccess.h> 38#include <asm/uaccess.h>
@@ -59,6 +59,7 @@ extern unsigned long sn_rtc_cycles_per_second;
59 59
60#define rtc_time() (*RTC_COUNTER_ADDR) 60#define rtc_time() (*RTC_COUNTER_ADDR)
61 61
62static DEFINE_MUTEX(mmtimer_mutex);
62static long mmtimer_ioctl(struct file *file, unsigned int cmd, 63static long mmtimer_ioctl(struct file *file, unsigned int cmd,
63 unsigned long arg); 64 unsigned long arg);
64static int mmtimer_mmap(struct file *file, struct vm_area_struct *vma); 65static int mmtimer_mmap(struct file *file, struct vm_area_struct *vma);
@@ -371,7 +372,7 @@ static long mmtimer_ioctl(struct file *file, unsigned int cmd,
371{ 372{
372 int ret = 0; 373 int ret = 0;
373 374
374 lock_kernel(); 375 mutex_lock(&mmtimer_mutex);
375 376
376 switch (cmd) { 377 switch (cmd) {
377 case MMTIMER_GETOFFSET: /* offset of the counter */ 378 case MMTIMER_GETOFFSET: /* offset of the counter */
@@ -414,7 +415,7 @@ static long mmtimer_ioctl(struct file *file, unsigned int cmd,
414 ret = -ENOTTY; 415 ret = -ENOTTY;
415 break; 416 break;
416 } 417 }
417 unlock_kernel(); 418 mutex_unlock(&mmtimer_mutex);
418 return ret; 419 return ret;
419} 420}
420 421