diff options
author | Zhenzhong Duan <zhenzhong.duan@oracle.com> | 2012-03-28 17:42:47 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-28 20:14:36 -0400 |
commit | eaa3be6add6f327ab0a633e4fee8e6f2cc8c8a4c (patch) | |
tree | 033e1ac064eb855369246404dd1603b41eb64d27 | |
parent | d034cfab4f7b9e768c5c1caaa56c5bd4805d2b92 (diff) |
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>
-rw-r--r-- | kernel/kexec.c | 4 |
1 files changed, 4 insertions, 0 deletions
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, | |||
1359 | 1359 | ||
1360 | if (*cur == '@') | 1360 | if (*cur == '@') |
1361 | *crash_base = memparse(cur+1, &cur); | 1361 | *crash_base = memparse(cur+1, &cur); |
1362 | else if (*cur != ' ' && *cur != '\0') { | ||
1363 | pr_warning("crashkernel: unrecognized char\n"); | ||
1364 | return -EINVAL; | ||
1365 | } | ||
1362 | 1366 | ||
1363 | return 0; | 1367 | return 0; |
1364 | } | 1368 | } |