From: Austin Kim <[email protected]>
Add invalid input check expression when 'crashkernel=0' is specified
running kdump.
Signed-off-by: Austin Kim <[email protected]>
---
arch/arm/kernel/setup.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 039feb7cd590..1e8a50a97edf 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -1004,7 +1004,8 @@ static void __init reserve_crashkernel(void)
total_mem = get_total_mem();
ret = parse_crashkernel(boot_command_line, total_mem,
&crash_size, &crash_base);
- if (ret)
+ /* invalid value specified or crashkernel=0 */
+ if (ret || !crash_size)
return;
if (crash_base <= 0) {
--
2.20.1