[PATCH 03/11] bnx2x: Fix undefined behavior due to shift overflowing the constant
From: Borislav Petkov
Date: Tue Apr 05 2022 - 19:12:09 EST
From: Borislav Petkov <bp@xxxxxxx>
Fix:
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c: In function ‘bnx2x_check_blocks_with_parity3’:
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c:4917:4: error: case label does not reduce to an integer constant
case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
^~~~
See https://lore.kernel.org/r/YkwQ6%2BtIH8GQpuct@xxxxxxx for the gory
details as to why it triggers with older gccs only.
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: Ariel Elior <aelior@xxxxxxxxxxx>
Cc: Sudarsana Kalluru <skalluru@xxxxxxxxxxx>
Cc: Manish Chopra <manishc@xxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Jakub Kicinski <kuba@xxxxxxxxxx>
Cc: Paolo Abeni <pabeni@xxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
index 5caa75b41b73..881ac33fe914 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
@@ -6218,7 +6218,7 @@
#define AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 (0x1<<2)
#define AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR (0x1<<12)
#define AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY (0x1<<28)
-#define AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY (0x1<<31)
+#define AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY (0x1U<<31)
#define AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY (0x1<<29)
#define AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY (0x1<<30)
#define AEU_INPUTS_ATTN_BITS_MISC_HW_INTERRUPT (0x1<<15)
--
2.35.1