aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/mips/kernel/linux32.c64
1 files changed, 2 insertions, 62 deletions
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 7c953bcc5f6a..a7d2bb3cf835 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -356,73 +356,13 @@ asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high,
asmlinkage ssize_t sys32_pread(unsigned int fd, char __user * buf,
size_t count, u32 unused, u64 a4, u64 a5)
{
- ssize_t ret;
- struct file * file;
- ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);
- loff_t pos;
-
- ret = -EBADF;
- file = fget(fd);
- if (!file)
- goto bad_file;
- if (!(file->f_mode & FMODE_READ))
- goto out;
- pos = merge_64(a4, a5);
- ret = rw_verify_area(READ, file, &pos, count);
- if (ret < 0)
- goto out;
- ret = -EINVAL;
- if (!file->f_op || !(read = file->f_op->read))
- goto out;
- if (pos < 0)
- goto out;
- ret = -ESPIPE;
- if (!(file->f_mode & FMODE_PREAD))
- goto out;
- ret = read(file, buf, count, &pos);
- if (ret > 0)
- dnotify_parent(file->f_dentry, DN_ACCESS);
-out:
- fput(file);
-bad_file:
- return ret;
+ return sys_pread64(fd, buf, count, merge_64(a4, a5));
}
asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char __user * buf,
size_t count, u32 unused, u64 a4, u64 a5)
{
- ssize_t ret;
- struct file * file;
- ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *);
- loff_t pos;
-
- ret = -EBADF;
- file = fget(fd);
- if (!file)
- goto bad_file;
- if (!(file->f_mode & FMODE_WRITE))
- goto out;
- pos = merge_64(a4, a5);
- ret = rw_verify_area(WRITE, file, &pos, count);
- if (ret < 0)
- goto out;
- ret = -EINVAL;
- if (!file->f_op || !(write = file->f_op->write))
- goto out;
- if (pos < 0)
- goto out;
-
- ret = -ESPIPE;
- if (!(file->f_mode & FMODE_PWRITE))
- goto out;
-
- ret = write(file, buf, count, &pos);
- if (ret > 0)
- dnotify_parent(file->f_dentry, DN_MODIFY);
-out:
- fput(file);
-bad_file:
- return ret;
+ return sys_pwrite64(fd, buf, count, merge_64(a4, a5));
}
asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid,

Privacy Policy