diff options
Diffstat (limited to 'arch/frv/kernel')
-rw-r--r-- | arch/frv/kernel/process.c | 5 | ||||
-rw-r--r-- | arch/frv/kernel/sys_frv.c | 66 |
2 files changed, 3 insertions, 68 deletions
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/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c index 2b6b5289cdcc..1d3d4c9e2521 100644 --- a/arch/frv/kernel/sys_frv.c +++ b/arch/frv/kernel/sys_frv.c @@ -31,9 +31,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) { - int error = -EBADF; - struct file * file = NULL; - /* As with sparc32, make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE we have.... */ @@ -41,69 +38,10 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, trying to map something we can't */ if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1)) return -EINVAL; - pgoff >>= PAGE_SHIFT - 12; - - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) - goto out; - } - - down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); - up_write(¤t->mm->mmap_sem); - - if (file) - fput(file); -out: - return error; -} - -#if 0 /* DAVIDM - do we want this */ -struct mmap_arg_struct64 { - __u32 addr; - __u32 len; - __u32 prot; - __u32 flags; - __u64 offset; /* 64 bits */ - __u32 fd; -}; - -asmlinkage long sys_mmap64(struct mmap_arg_struct64 *arg) -{ - int error = -EFAULT; - struct file * file = NULL; - struct mmap_arg_struct64 a; - unsigned long pgoff; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - - if ((long)a.offset & ~PAGE_MASK) - return -EINVAL; - - pgoff = a.offset >> PAGE_SHIFT; - if ((a.offset >> PAGE_SHIFT) != pgoff) - return -EINVAL; - - if (!(a.flags & MAP_ANONYMOUS)) { - error = -EBADF; - file = fget(a.fd); - if (!file) - goto out; - } - a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags, pgoff); - up_write(¤t->mm->mmap_sem); - if (file) - fput(file); -out: - return error; + return sys_mmap_pgoff(addr, len, prot, flags, fd, + pgoff >> (PAGE_SHIFT - 12)); } -#endif /* * sys_ipc() is the de-multiplexer for the SysV IPC calls.. |