Commit eaa3be6a authored Mar 28, 2012 by Zhenzhong Duan Committed by Linus Torvalds Mar 28, 2012

kexec: add further check to crashkernel



When using crashkernel=2M-256M, the kernel doesn't give any warning.  This
is misleading sometimes.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent d034cfab

kernel/kexec.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1359,6 +1359,10 @@ static int __init parse_crashkernel_simple(char *cmdline,

		if (*cur == '@')
		*crash_base = memparse(cur+1, &cur);
		else if (cur != ' ' && cur != '\0') {
		pr_warning("crashkernel: unrecognized char\n");
		return -EINVAL;
		}

		return 0;
		}