diff options
| -rw-r--r-- | arch/blackfin/kernel/process.c | 6 | ||||
| -rw-r--r-- | arch/frv/kernel/process.c | 5 | ||||
| -rw-r--r-- | arch/h8300/kernel/process.c | 5 | ||||
| -rw-r--r-- | arch/m68knommu/kernel/process.c | 5 | ||||
| -rw-r--r-- | arch/mn10300/kernel/process.c | 12 | ||||
| -rw-r--r-- | arch/s390/crypto/prng.c | 2 | ||||
| -rw-r--r-- | arch/um/drivers/mmapper_kern.c | 11 | ||||
| -rw-r--r-- | arch/um/drivers/random.c | 3 |
8 files changed, 12 insertions, 37 deletions
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index 5cc7e2e9e415..45876427eb2d 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 904255938216..21d0fd19276d 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 e2f33d0f9969..bd883faa983d 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 8f8f4abab2ff..5c9ecd427090 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 892cce82867e..ec8a21df1142 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 b49c00ce65e9..a3209906739e 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 eb240323c40a..d22f9e5c0eac 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 6eabb7022a2d..4949044773ba 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; |