Messages in this thread Patch in this message | | | Date | Tue, 13 Mar 2012 11:10:31 +0800 | From | DuanZhenzhong <> | Subject | [PATCH] kexec: add further check to crashkernel |
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From: Zhenzhong Duan <zhenzhong.duan@oracle.com>
When add crashkernel=2M-256M, kernel don't give any warning. This is misleading sometimes.
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.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
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