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-rw-r--r--fs/compat.c33
-rw-r--r--fs/readdir.c33
2 files changed, 28 insertions, 38 deletions
diff --git a/fs/compat.c b/fs/compat.c
index 0781e61..9f77486 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 */
diff --git a/fs/readdir.c b/fs/readdir.c
index cc0a822..39e3370 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -108,11 +108,11 @@ SYSCALL_DEFINE3(old_readdir, unsigned int, fd,
int error;
struct file * file;
struct readdir_callback buf;
+ int fput_needed;
- error = -EBADF;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
- goto out;
+ return -EBADF;
buf.result = 0;
buf.dirent = dirent;
@@ -121,8 +121,7 @@ SYSCALL_DEFINE3(old_readdir, unsigned int, fd,
if (buf.result)
error = buf.result;
- fput(file);
-out:
+ fput_light(file, fput_needed);
return error;
}
@@ -195,16 +194,15 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
struct file * file;
struct linux_dirent __user * lastdirent;
struct 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;
@@ -221,8 +219,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
else
error = count - buf.count;
}
- fput(file);
-out:
+ fput_light(file, fput_needed);
return error;
}
@@ -278,16 +275,15 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd,
struct file * file;
struct linux_dirent64 __user * lastdirent;
struct 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;
@@ -305,7 +301,6 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd,
else
error = count - buf.count;
}
- fput(file);
-out:
+ fput_light(file, fput_needed);
return error;
}
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