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Push BKL into do_mount()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-05-08 13:31:17 -04:00
parent bbd6851a32
commit 6fac98dd21
3 changed files with 2 additions and 7 deletions
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3
arch/alpha/kernel/osf_sys.c
View file

@ -371,8 +371,6 @@ SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, char __user *, path,
int retval = -EINVAL;
char *name;
lock_kernel();
name = getname(path);
retval = PTR_ERR(name);
if (IS_ERR(name))
@ -392,7 +390,6 @@ SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, char __user *, path,
}
putname(name);
out:
unlock_kernel();
return retval;
}

2
fs/compat.c
View file

@ -812,10 +812,8 @@ asmlinkage long compat_sys_mount(char __user * dev_name, char __user * dir_name,
}
}
lock_kernel();
retval = do_mount((char*)dev_page, dir_page, (char*)type_page,
flags, (void*)data_page);
unlock_kernel();
out4:
free_page(data_page);

4
fs/namespace.c
View file

@ -1921,6 +1921,7 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
if (retval)
goto dput_out;
lock_kernel();
if (flags & MS_REMOUNT)
retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
data_page);
@ -1933,6 +1934,7 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
else
retval = do_new_mount(&path, type_page, flags, mnt_flags,
dev_name, data_page);
unlock_kernel();
dput_out:
path_put(&path);
return retval;
@ -2046,10 +2048,8 @@ SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
if (retval < 0)
goto out3;
lock_kernel();
retval = do_mount((char *)dev_page, dir_page, (char *)type_page,
flags, (void *)data_page);
unlock_kernel();
free_page(data_page);
out3: