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-rw-r--r--fs/compat.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/fs/compat.c b/fs/compat.c
index 7c1615183d1e..440a019256dd 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1222,13 +1222,14 @@ compat_sys_readv(unsigned long fd, const struct compat_iovec __user *vec,
unsigned long vlen)
{
struct file *file;
+ int fput_needed;
ssize_t ret;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
return -EBADF;
ret = compat_readv(file, vec, vlen, &file->f_pos);
- fput(file);
+ fput_light(file, fput_needed);
return ret;
}
@@ -1238,15 +1239,16 @@ compat_sys_preadv(unsigned long fd, const struct compat_iovec __user *vec,
{
loff_t pos = ((loff_t)pos_high << 32) | pos_low;
struct file *file;
+ int fput_needed;
ssize_t ret;
if (pos < 0)
return -EINVAL;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
return -EBADF;
ret = compat_readv(file, vec, vlen, &pos);
- fput(file);
+ fput_light(file, fput_needed);
return ret;
}
@@ -1277,13 +1279,14 @@ compat_sys_writev(unsigned long fd, const struct compat_iovec __user *vec,
unsigned long vlen)
{
struct file *file;
+ int fput_needed;
ssize_t ret;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
return -EBADF;
ret = compat_writev(file, vec, vlen, &file->f_pos);
- fput(file);
+ fput_light(file, fput_needed);
return ret;
}
@@ -1293,15 +1296,16 @@ compat_sys_pwritev(unsigned long fd, const struct compat_iovec __user *vec,
{
loff_t pos = ((loff_t)pos_high << 32) | pos_low;
struct file *file;
+ int fput_needed;
ssize_t ret;
if (pos < 0)
return -EINVAL;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
return -EBADF;
ret = compat_writev(file, vec, vlen, &pos);
- fput(file);
+ fput_light(file, fput_needed);
return ret;
}