Commit 73a358d1 authored Sep 09, 2005 by KUROSAWA Takahiro Committed by Linus Torvalds Sep 09, 2005

[PATCH] fix for cpusets minor problem



This patch fixes minor problem that the CPUSETS have when files in the
cpuset filesystem are read after lseek()-ed beyond the EOF.

Signed-off-by: KUROSAWA Takahiro <kurosawa@valinux.co.jp>
Acked-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent ac0b1bc1

kernel/cpuset.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -972,6 +972,10 @@ static ssize_t cpuset_common_file_read(struct file file, char __user buf,
		*s++ = '\n';
		*s = '\0';

		/* Do nothing if ppos is at the eof or beyond the eof. /
		if (s - page <= *ppos)
		return 0;

		start = page + *ppos;
		n = s - start;
		retval = n - copy_to_user(buf, start, min(n, nbytes));