aboutsummaryrefslogtreecommitdiff
path: root/fs/compat.c
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2012-04-21 18:40:32 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-05-29 23:28:29 -0400
commit863ced7fe762f80e67bc9171e47c7d80032cce12 (patch)
tree1dc536a701c8d6a3217877d8fedef0d2c56cf1a3 /fs/compat.c
parentc2bd6c11cd05fed1eeb83230e87351357d72bb48 (diff)
downloadlinux-863ced7fe762f80e67bc9171e47c7d80032cce12.tar.gz
switch readdir/getdents to fget_light/fput_light
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/compat.c')
-rw-r--r--fs/compat.c33
1 files changed, 14 insertions, 19 deletions
diff --git a/fs/compat.c b/fs/compat.c
index 0781e619a62..9f77486414b 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -871,12 +871,12 @@ asmlinkage long compat_sys_old_readdir(unsigned int fd,
{
int error;
struct file *file;
+ int fput_needed;
struct compat_readdir_callback buf;
- error = -EBADF;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
- goto out;
+ return -EBADF;
buf.result = 0;
buf.dirent = dirent;
@@ -885,8 +885,7 @@ asmlinkage long compat_sys_old_readdir(unsigned int fd,
if (buf.result)
error = buf.result;
- fput(file);
-out:
+ fput_light(file, fput_needed);
return error;
}
@@ -953,16 +952,15 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
struct file * file;
struct compat_linux_dirent __user * lastdirent;
struct compat_getdents_callback buf;
+ int fput_needed;
int error;
- error = -EFAULT;
if (!access_ok(VERIFY_WRITE, dirent, count))
- goto out;
+ return -EFAULT;
- error = -EBADF;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
- goto out;
+ return -EBADF;
buf.current_dir = dirent;
buf.previous = NULL;
@@ -979,8 +977,7 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
else
error = count - buf.count;
}
- fput(file);
-out:
+ fput_light(file, fput_needed);
return error;
}
@@ -1041,16 +1038,15 @@ asmlinkage long compat_sys_getdents64(unsigned int fd,
struct file * file;
struct linux_dirent64 __user * lastdirent;
struct compat_getdents_callback64 buf;
+ int fput_needed;
int error;
- error = -EFAULT;
if (!access_ok(VERIFY_WRITE, dirent, count))
- goto out;
+ return -EFAULT;
- error = -EBADF;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
- goto out;
+ return -EBADF;
buf.current_dir = dirent;
buf.previous = NULL;
@@ -1068,8 +1064,7 @@ asmlinkage long compat_sys_getdents64(unsigned int fd,
else
error = count - buf.count;
}
- fput(file);
-out:
+ fput_light(file, fput_needed);
return error;
}
#endif /* ! __ARCH_OMIT_COMPAT_SYS_GETDENTS64 */