Commit a737abd1 authored by Cyrill Gorcunov's avatar Cyrill Gorcunov Committed by Ingo Molnar
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x86: e820 memmap - add checking for NULL early param 



Signed-off-by: default avatarCyrill Gorcunov <gorcunov@gmail.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: akpm@linux-foundation.org
Cc: andi@firstfloor.org
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent c22d4c18

arch/x86/kernel/e820.c

+3 −0
Original line number Diff line number Diff line
@@ -1198,6 +1198,9 @@ static int __init parse_memmap_opt(char *p) 
	char *oldp;

	u64 start_at, mem_size;



	if (!p)

		return -EINVAL;



	if (!strcmp(p, "exactmap")) {

#ifdef CONFIG_CRASH_DUMP

		/*