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Date: Tue, 13 Mar 2012 11:10:31 +0800 From: DuanZhenzhong <zhenzhong.duan@...cle.com> To: ebiederm@...ssion.com CC: kexec@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: [PATCH] kexec: add further check to crashkernel From: Zhenzhong Duan <zhenzhong.duan@...cle.com> When add crashkernel=2M-256M, kernel don't give any warning. This is misleading sometimes. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@...cle.com> --- kernel/kexec.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/kernel/kexec.c b/kernel/kexec.c index 7b08867..0a6d147 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; } -- 1.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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