procfs: fix some wrong error code usage
authorJovi Zhang <bookjovi@gmail.com>
Wed, 23 Mar 2011 23:42:51 +0000 (16:42 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 24 Mar 2011 02:46:36 +0000 (19:46 -0700)
commitfc3d8767b2b6de955579852d7a150f1734265eaf
tree282762d459af3ebdf0bf8661a9422d55fc74dbb1
parent0db0c01b53a1a421513f91573241aabafb87802a
procfs: fix some wrong error code usage

[root@wei 1]# cat /proc/1/mem
cat: /proc/1/mem: No such process

error code -ESRCH is wrong in this situation.  Return -EPERM instead.

Signed-off-by: Jovi Zhang <bookjovi@gmail.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/proc/base.c