Merge branch 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing

* 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing:
  sunrpc: Include missing smp_lock.h
  procfs: Kill the bkl in ioctl
  procfs: Push down the bkl from ioctl
  procfs: Use generic_file_llseek in /proc/vmcore
  procfs: Use generic_file_llseek in /proc/kmsg
  procfs: Use generic_file_llseek in /proc/kcore
  procfs: Kill BKL in llseek on proc base

2 files changed, 30 insertions, 9 deletions

diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c
index fc8cf7ac7f2..4cd8b227c11 100644
--- a/drivers/char/i8k.c
+++ b/drivers/char/i8k.c
@@ -23,6 +23,7 @@
 #include <linux/seq_file.h>
 #include <linux/dmi.h>
 #include <linux/capability.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
@@ -82,8 +83,7 @@ module_param(fan_mult, int, 0);
 MODULE_PARM_DESC(fan_mult, "Factor to multiply fan speed with");
 
 static int i8k_open_fs(struct inode *inode, struct file *file);
-static int i8k_ioctl(struct inode *, struct file *, unsigned int,
-                     unsigned long);
+static long i8k_ioctl(struct file *, unsigned int, unsigned long);
 
 static const struct file_operations i8k_fops = {
         .owner          = THIS_MODULE,
@@ -91,7 +91,7 @@ static const struct file_operations i8k_fops = {
         .read           = seq_read,
         .llseek         = seq_lseek,
         .release        = single_release,
-        .ioctl          = i8k_ioctl,
+        .unlocked_ioctl = i8k_ioctl,
 };
 
 struct smm_regs {
@@ -307,8 +307,8 @@ static int i8k_get_dell_signature(int req_fn)
         return regs.eax == 1145651527 && regs.edx == 1145392204 ? 0 : -1;
 }
 
-static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
-                     unsigned long arg)
+static int
+i8k_ioctl_unlocked(struct file *fp, unsigned int cmd, unsigned long arg)
 {
         int val = 0;
         int speed;
@@ -395,6 +395,17 @@ static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
         return 0;
 }
 
+static long i8k_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
+{
+        long ret;
+
+        lock_kernel();
+        ret = i8k_ioctl_unlocked(fp, cmd, arg);
+        unlock_kernel();
+
+        return ret;
+}
+
 /*
  * Print the information for /proc/i8k.
  */
diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c
index 9f49d906579..c53e2417e7d 100644
--- a/drivers/isdn/divert/divert_procfs.c
+++ b/drivers/isdn/divert/divert_procfs.c
@@ -20,6 +20,7 @@
 #include <linux/sched.h>
 #include <linux/isdnif.h>
 #include <net/net_namespace.h>
+#include <linux/smp_lock.h>
 #include "isdn_divert.h"
 
 
@@ -177,9 +178,7 @@ isdn_divert_close(struct inode *ino, struct file *filep)
 /*********/
 /* IOCTL */
 /*********/
-static int
-isdn_divert_ioctl(struct inode *inode, struct file *file,
-                  uint cmd, ulong arg)
+static int isdn_divert_ioctl_unlocked(struct file *file, uint cmd, ulong arg)
 {
         divert_ioctl dioctl;
         int i;
@@ -258,6 +257,17 @@ isdn_divert_ioctl(struct inode *inode, struct file *file,
         return copy_to_user((void __user *)arg, &dioctl, sizeof(dioctl)) ? -EFAULT : 0;
 }                               /* isdn_divert_ioctl */
 
+static long isdn_divert_ioctl(struct file *file, uint cmd, ulong arg)
+{
+        long ret;
+
+        lock_kernel();
+        ret = isdn_divert_ioctl_unlocked(file, cmd, arg);
+        unlock_kernel();
+
+        return ret;
+}
+
 static const struct file_operations isdn_fops =
 {
         .owner          = THIS_MODULE,
@@ -265,7 +275,7 @@ static const struct file_operations isdn_fops =
         .read           = isdn_divert_read,
         .write          = isdn_divert_write,
         .poll           = isdn_divert_poll,
-        .ioctl          = isdn_divert_ioctl,
+        .unlocked_ioctl = isdn_divert_ioctl,
         .open           = isdn_divert_open,
         .release        = isdn_divert_close,                                      
 };