Commit 198214a7 authored by Stephen Wilson's avatar Stephen Wilson Committed by Al Viro
Browse files

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: default avatarStephen Wilson <wilsons@start.ca>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 8b0db9db

fs/proc/base.c

+0 −5
Original line number Diff line number Diff line
@@ -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)

{