Commit eaa3be6a authored by Zhenzhong Duan's avatar Zhenzhong Duan Committed by Linus Torvalds
Browse files

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: default avatarZhenzhong Duan <zhenzhong.duan@oracle.com>
Acked-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent d034cfab
...@@ -1359,6 +1359,10 @@ static int __init parse_crashkernel_simple(char *cmdline, ...@@ -1359,6 +1359,10 @@ static int __init parse_crashkernel_simple(char *cmdline,
if (*cur == '@') if (*cur == '@')
*crash_base = memparse(cur+1, &cur); *crash_base = memparse(cur+1, &cur);
else if (*cur != ' ' && *cur != '\0') {
pr_warning("crashkernel: unrecognized char\n");
return -EINVAL;
}
return 0; return 0;
} }
......
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