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-rw-r--r--kernel/kexec.c4
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,
if (*cur == '@')
*crash_base = memparse(cur+1, &cur);
+ else if (*cur != ' ' && *cur != '\0') {
+ pr_warning("crashkernel: unrecognized char\n");
+ return -EINVAL;
+ }
return 0;
}