proc: enable writing to /proc/pid/mem

With recent changes there is no longer a security hazard with writing to
/proc/pid/mem.  Remove the #ifdef.

Signed-off-by: Stephen Wilson <wilsons@start.ca>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Stephen Wilson 2011-03-13 15:49:24 -04:00 committed by Al Viro
parent 8b0db9db19
commit 198214a7ee

View File

@ -854,10 +854,6 @@ static ssize_t mem_read(struct file * file, char __user * buf,
return ret;
}
#define mem_write NULL
#ifndef mem_write
/* This is a security hazard */
static ssize_t mem_write(struct file * file, const char __user *buf,
size_t count, loff_t *ppos)
{
@ -914,7 +910,6 @@ static ssize_t mem_write(struct file * file, const char __user *buf,
out_no_task:
return copied;
}
#endif
loff_t mem_lseek(struct file *file, loff_t offset, int orig)
{