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CGroup API files: strip all trailing whitespace in cgroup_write_u64 

This removes the need for people to remember to pass the -n flag to echo when
writing values to cgroup control files.

Signed-off-by: Paul Menage <menage@google.com>
Cc: "Li Zefan" <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Paul Jackson <pj@sgi.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: "YAMAMOTO Takashi" <yamamoto@valinux.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Paul Menage 2008-04-29 00:59:59 -07:00 committed by Linus Torvalds
parent 2c3daa722b
commit b7269dfc82
1 changed files with 1 additions and 4 deletions
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5
kernel/cgroup.c
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@ -1329,10 +1329,7 @@ static ssize_t cgroup_write_u64(struct cgroup *cgrp, struct cftype *cft,
return -EFAULT; return -EFAULT;
buffer[nbytes] = 0; /* nul-terminate */ buffer[nbytes] = 0; /* nul-terminate */
strstrip(buffer);
/* strip newline if necessary */
if (nbytes && (buffer[nbytes-1] == '\n'))
buffer[nbytes-1] = 0;
val = simple_strtoull(buffer, &end, 0); val = simple_strtoull(buffer, &end, 0);
if (*end) if (*end)
return -EINVAL; return -EINVAL;