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-rw-r--r--arch/blackfin/kernel/process.c6
-rw-r--r--arch/frv/kernel/process.c5
-rw-r--r--arch/h8300/kernel/process.c5
-rw-r--r--arch/m68knommu/kernel/process.c5
-rw-r--r--arch/mn10300/kernel/process.c12
-rw-r--r--arch/s390/crypto/prng.c2
-rw-r--r--arch/um/drivers/mmapper_kern.c11
-rw-r--r--arch/um/drivers/random.c3
8 files changed, 12 insertions, 37 deletions
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 5cc7e2e9e41..45876427eb2 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -215,22 +215,18 @@ copy_thread(unsigned long clone_flags,
/*
* sys_execve() executes a new program.
*/
-
asmlinkage int sys_execve(char __user *name, char __user * __user *argv, char __user * __user *envp)
{
int error;
char *filename;
struct pt_regs *regs = (struct pt_regs *)((&name) + 6);
- lock_kernel();
filename = getname(name);
error = PTR_ERR(filename);
if (IS_ERR(filename))
- goto out;
+ return error;
error = do_execve(filename, argv, envp, regs);
putname(filename);
- out:
- unlock_kernel();
return error;
}
diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 90425593821..21d0fd19276 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -255,15 +255,12 @@ asmlinkage int sys_execve(char __user *name, char __user * __user *argv, char __
int error;
char * filename;
- lock_kernel();
filename = getname(name);
error = PTR_ERR(filename);
if (IS_ERR(filename))
- goto out;
+ return error;
error = do_execve(filename, argv, envp, __frame);
putname(filename);
- out:
- unlock_kernel();
return error;
}
diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c
index e2f33d0f996..bd883faa983 100644
--- a/arch/h8300/kernel/process.c
+++ b/arch/h8300/kernel/process.c
@@ -218,15 +218,12 @@ asmlinkage int sys_execve(char *name, char **argv, char **envp,int dummy,...)
char * filename;
struct pt_regs *regs = (struct pt_regs *) ((unsigned char *)&dummy-4);
- lock_kernel();
filename = getname(name);
error = PTR_ERR(filename);
if (IS_ERR(filename))
- goto out;
+ return error;
error = do_execve(filename, argv, envp, regs);
putname(filename);
-out:
- unlock_kernel();
return error;
}
diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c
index 8f8f4abab2f..5c9ecd42709 100644
--- a/arch/m68knommu/kernel/process.c
+++ b/arch/m68knommu/kernel/process.c
@@ -352,15 +352,12 @@ asmlinkage int sys_execve(char *name, char **argv, char **envp)
char * filename;
struct pt_regs *regs = (struct pt_regs *) &name;
- lock_kernel();
filename = getname(name);
error = PTR_ERR(filename);
if (IS_ERR(filename))
- goto out;
+ return error;
error = do_execve(filename, argv, envp, regs);
putname(filename);
-out:
- unlock_kernel();
return error;
}
diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index 892cce82867..ec8a21df114 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -275,16 +275,12 @@ asmlinkage long sys_execve(char __user *name,
char *filename;
int error;
- lock_kernel();
-
filename = getname(name);
error = PTR_ERR(filename);
- if (!IS_ERR(filename)) {
- error = do_execve(filename, argv, envp, __frame);
- putname(filename);
- }
-
- unlock_kernel();
+ if (IS_ERR(filename))
+ return error;
+ error = do_execve(filename, argv, envp, __frame);
+ putname(filename);
return error;
}
diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c
index b49c00ce65e..a3209906739 100644
--- a/arch/s390/crypto/prng.c
+++ b/arch/s390/crypto/prng.c
@@ -6,7 +6,6 @@
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/smp_lock.h>
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -49,7 +48,6 @@ static unsigned char parm_block[32] = {
static int prng_open(struct inode *inode, struct file *file)
{
- cycle_kernel_lock();
return nonseekable_open(inode, file);
}
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index eb240323c40..d22f9e5c0ea 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -16,7 +16,7 @@
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/smp_lock.h>
+
#include <asm/uaccess.h>
#include "mem_user.h"
@@ -78,7 +78,6 @@ out:
static int mmapper_open(struct inode *inode, struct file *file)
{
- cycle_kernel_lock();
return 0;
}
@@ -115,18 +114,16 @@ static int __init mmapper_init(void)
v_buf = (char *) find_iomem("mmapper", &mmapper_size);
if (mmapper_size == 0) {
printk(KERN_ERR "mmapper_init - find_iomem failed\n");
- goto out;
+ return -ENODEV;
}
+ p_buf = __pa(v_buf);
err = misc_register(&mmapper_dev);
if (err) {
printk(KERN_ERR "mmapper - misc_register failed, err = %d\n",
err);
- goto out;
+ return err;;
}
-
- p_buf = __pa(v_buf);
-out:
return 0;
}
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index 6eabb7022a2..4949044773b 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -7,7 +7,6 @@
* of the GNU General Public License, incorporated herein by reference.
*/
#include <linux/sched.h>
-#include <linux/smp_lock.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
@@ -34,8 +33,6 @@ static DECLARE_WAIT_QUEUE_HEAD(host_read_wait);
static int rng_dev_open (struct inode *inode, struct file *filp)
{
- cycle_kernel_lock();
-
/* enforce read-only access to this chrdev */
if ((filp->f_mode & FMODE_READ) == 0)
return -EINVAL;