mask_user_address() incorrectly checks for CONFIG_E500 instead of
CONFIG_PPC_E500, causing mask_user_address_isel() to not be used on
E500 hardware. Fix the check to use the correct name.

Fixes: 861574d51bbd ("powerpc/uaccess: Implement masked user access")
Cc: stable@vger.kernel.org # 7.0+

Signed-off-by: Ethan Nelson-Moore <redacted>
---
Changes in v2: Correct explanation and Fixes tag (thanks Christophe)

 arch/powerpc/include/asm/uaccess.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index e98c628e3899..619270bb7380 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h

@@ -511,7 +511,7 @@ static inline void __user *mask_user_address(const void __user *ptr)
 
 	if (IS_ENABLED(CONFIG_PPC64))
 		return mask_user_address_simple(ptr);
-	if (IS_ENABLED(CONFIG_E500))
+	if (IS_ENABLED(CONFIG_PPC_E500))
 		return mask_user_address_isel(ptr);
 	if (TASK_SIZE <= UL(SZ_2G) && border >= UL(SZ_2G))
 		return mask_user_address_simple(ptr);

-- 
2.43.0