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yaml
---
r: 205879
b: refs/heads/master
c: 8e2394a
h: refs/heads/master
i:
  205877: 8f6cf06
  205875: af097a6
  205871: 167bd10
v: v3
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Arnd Bergmann authored and Greg Kroah-Hartman committed Jul 22, 2010
1 parent 586d5a4 commit c75690b
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Showing 4 changed files with 14 additions and 10 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 7ebc8760b38bb00c35fcf43dad438c2adcd7c328
refs/heads/master: 8e2394a981b9258db47f8e223a550d46c6d40cc8
9 changes: 5 additions & 4 deletions trunk/drivers/staging/crystalhd/crystalhd_lnx.c
Original file line number Diff line number Diff line change
Expand Up @@ -15,11 +15,12 @@
along with this driver. If not, see <http://www.gnu.org/licenses/>.
***************************************************************************/

#include <linux/smp_lock.h>
#include <linux/mutex.h>
#include <linux/slab.h>

#include "crystalhd_lnx.h"

static DEFINE_MUTEX(chd_dec_mutex);
static struct class *crystalhd_class;

static struct crystalhd_adp *g_adp_info;
Expand Down Expand Up @@ -277,16 +278,16 @@ static long chd_dec_ioctl(struct file *fd, unsigned int cmd, unsigned long ua)
return -ENODATA;
}

lock_kernel();
mutex_lock(&chd_dec_mutex);
cproc = crystalhd_get_cmd_proc(&adp->cmds, cmd, uc);
if (!cproc) {
BCMLOG_ERR("Unhandled command: %d\n", cmd);
unlock_kernel();
mutex_unlock(&chd_dec_mutex);
return -EINVAL;
}

ret = chd_dec_api_cmd(adp, ua, uc->uid, cmd, cproc);
unlock_kernel();
mutex_unlock(&chd_dec_mutex);
return ret;
}

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6 changes: 4 additions & 2 deletions trunk/drivers/staging/dt3155/dt3155_drv.c
Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,7 @@ MA 02111-1307 USA

#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/types.h>
#include <linux/poll.h>
Expand All @@ -76,6 +77,7 @@ MA 02111-1307 USA
MODULE_LICENSE("GPL");

/* Error variable. Zero means no error. */
static DEFINE_MUTEX(dt3155_mutex);
int dt3155_errno = 0;

#ifndef PCI_DEVICE_ID_INTEL_7116
Expand Down Expand Up @@ -827,9 +829,9 @@ dt3155_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret;

lock_kernel();
mutex_lock(&dt3155_mutex);
ret = dt3155_ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
unlock_kernel();
mutex_unlock(&dt3155_mutex);

return ret;
}
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7 changes: 4 additions & 3 deletions trunk/drivers/staging/vme/devices/vme_user.c
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/syscalls.h>
#include <linux/smp_lock.h>
#include <linux/mutex.h>
#include <linux/types.h>

#include <linux/io.h>
Expand All @@ -40,6 +40,7 @@
#include "../vme.h"
#include "vme_user.h"

static DEFINE_MUTEX(vme_user_mutex);
static char driver_name[] = "vme_user";

static int bus[USER_BUS_MAX];
Expand Down Expand Up @@ -559,9 +560,9 @@ vme_user_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret;

lock_kernel();
mutex_lock(&vme_user_mutex);
ret = vme_user_ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
unlock_kernel();
mutex_unlock(&vme_user_mutex);

return ret;
}
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