[U-Boot] [PATCH 1/1] arm: mvebu: avoid possible NULL dereference
Stefan Roese
sr at denx.de
Tue Aug 8 12:17:13 UTC 2017
On 30.07.2017 20:40, Heinrich Schuchardt wrote:
> It does not make sense to check if info is NULL after
> dereferencing it.
>
> The problem was indicated by cppcheck.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> ---
> arch/arm/mach-mvebu/serdes/axp/high_speed_env_lib.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/mach-mvebu/serdes/axp/high_speed_env_lib.c b/arch/arm/mach-mvebu/serdes/axp/high_speed_env_lib.c
> index b0e193b78c..525576a4fc 100644
> --- a/arch/arm/mach-mvebu/serdes/axp/high_speed_env_lib.c
> +++ b/arch/arm/mach-mvebu/serdes/axp/high_speed_env_lib.c
> @@ -354,16 +354,16 @@ int serdes_phy_config(void)
> }
>
> info = board_serdes_cfg_get(PEX_MODE_GET(satr11));
> - DEBUG_INIT_FULL_S("info->line0_7= 0x");
> - DEBUG_INIT_FULL_D(info->line0_7, 8);
> - DEBUG_INIT_FULL_S(" info->line8_15= 0x");
> - DEBUG_INIT_FULL_D(info->line8_15, 8);
> - DEBUG_INIT_FULL_S("\n");
>
> if (info == NULL) {
> DEBUG_INIT_S("Hight speed PHY Error #1\n");
> return MV_ERROR;
> }
> + DEBUG_INIT_FULL_S("info->line0_7= 0x");
> + DEBUG_INIT_FULL_D(info->line0_7, 8);
> + DEBUG_INIT_FULL_S(" info->line8_15= 0x");
> + DEBUG_INIT_FULL_D(info->line8_15, 8);
> + DEBUG_INIT_FULL_S("\n");
>
> if (config_module & ETM_MODULE_DETECT) { /* step 0.9 ETM */
> DEBUG_INIT_FULL_S("ETM module detect Step 0.9:\n");
>
Reviewed-by: Stefan Roese <sr at denx.de>
Thanks,
Stefan
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