From: Zhenzhong Duan Date: Wed, 28 Mar 2012 21:42:47 +0000 (-0700) Subject: kexec: add further check to crashkernel X-Git-Tag: MMI-PSA29.97-13-9~17053^2~38 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=eaa3be6add6f327ab0a633e4fee8e6f2cc8c8a4c;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git 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 Acked-by: "Eric W. Biederman" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/kernel/kexec.c b/kernel/kexec.c index 769e347c5196..3288c9b29bae 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -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; }