x86: e820 memmap - add checking for NULL early param · a737abd11a - Gogs

x86: e820 memmap - add checking for NULL early param

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

Cyrill Gorcunov 17 years ago

parent

c22d4c1885

commit

a737abd11a

1 changed files with 3 additions and 0 deletions

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							+ 3
							
							- 0
						
arch/x86/kernel/e820.c
							 
								View File
							
				@@ -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
			
				 		/*