Re: [PATCH] spi: lp-8841: return correct error code from probe

From: Sergei Ianovich
Date: Thu Feb 25 2016 - 12:09:53 EST


On Thu, 2016-02-25 at 12:37 +0100, Arnd Bergmann wrote:
> The spi_lp8841_rtc_probe() function misses an initialization of the
> return code when it fails to get its memory resource, as gcc notices:
>
> drivers/spi/spi-lp8841-rtc.c: In function 'spi_lp8841_rtc_probe':
> drivers/spi/spi-lp8841-rtc.c:239:9: error: 'ret' may be used
> uninitialized in this function [-Werror=maybe-uninitialized]
>
> This changes the code to propagate the error from
> devm_ioremap_resource().
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 7ecbfff6711f ("spi: master driver to enable RTC on ICPDAS LP-
> 8841")

Tested-by: Sergei Ianovich <ynvich@xxxxxxxxx>