prevent stack corruption in call_prom_ret

PATCH New Olaf Hering 1 participant 1 message Nov 29, 2005 PowerPC

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Olaf Hering

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2005-11-29 13:04 UTC #0 lore raw

PATCH 1/1 prevent stack corruption in call_prom_ret

Use the correct pointer to clear the memory of the return values, to prevent stack corruption in the callers stackframe.

Signed-off-by Olaf Hering <[email protected]>

 arch/powerpc/kernel/prom_init.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

arch/powerpc/kernel/prom_init.c +1 -1

Index: linux-2.6.15-rc3-olh/arch/powerpc/kernel/prom_init.c
===================================================================
@@ -265,7 +265,7 @@ static int __init call_prom_ret(const ch
 	va_end(list);
 
 	for (i = 0; i < nret; i++)
-		rets[nargs+i] = 0;
+		args.args[nargs+i] = 0;
 
 	if (enter_prom(&args, RELOC(prom_entry)) < 0)
 		return PROM_ERROR;

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