+ kexec-add-further-check-to-crashkernel.patch added to -mm tree

+ kexec-add-further-check-to-crashkernel.patch added to -mm tree

[akpm]

The patch titled
     Subject: kexec: add further check to crashkernel
has been added to the -mm tree.  Its filename is
     kexec-add-further-check-to-crashkernel.patch

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------------------------------------------------------
From: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Subject: 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>
---

 kernel/kexec.c |    4 ++++
 1 file changed, 4 insertions(+)

diff -puN kernel/kexec.c~kexec-add-further-check-to-crashkernel kernel/kexec.c
--- a/kernel/kexec.c~kexec-add-further-check-to-crashkernel
+++ a/kernel/kexec.c
@@ -1359,6 +1359,10 @@ static int __init parse_crashkernel_simp
 
 	if (*cur == '@')
 		*crash_base = memparse(cur+1, &cur);
+	else if (*cur != ' ' && *cur != '\0') {
+		pr_warning("crashkernel: unrecognized char\n");
+		return -EINVAL;
+	}
 
 	return 0;
 }
_
Subject: Subject: kexec: add further check to crashkernel

Patches currently in -mm which might be from zhenzhong.duan@oracle.com are

linux-next.patch
kexec-add-further-check-to-crashkernel.patch