From: Jakob Koschel Date: Thu, 31 Mar 2022 23:06:31 +0000 (+0200) Subject: iio: ssp_sensors: replace usage of found with dedicated list iterator variable X-Git-Tag: v6.6.17~7345^2~81^2~73 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a25d525c685021ab1a9c14fb59c25712b048ef2b;p=platform%2Fkernel%2Flinux-rpi.git iio: ssp_sensors: replace usage of found with dedicated list iterator variable To move the list iterator variable into the list_for_each_entry_*() macro in the future it should be avoided to use the list iterator variable after the loop body. To *never* use the list iterator variable after the loop it was concluded to use a separate iterator variable instead of a found boolean [1]. This removes the need to use a found variable and simply checking if the variable was set, can determine if the break/goto was hit. Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1] Signed-off-by: Jakob Koschel Reviewed-by: Nuno Sá Link: https://lore.kernel.org/r/20220331230632.957634-2-jakobkoschel@gmail.com Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/common/ssp_sensors/ssp_spi.c b/drivers/iio/common/ssp_sensors/ssp_spi.c index 769bd92..f32b04b 100644 --- a/drivers/iio/common/ssp_sensors/ssp_spi.c +++ b/drivers/iio/common/ssp_sensors/ssp_spi.c @@ -331,12 +331,11 @@ static int ssp_parse_dataframe(struct ssp_data *data, char *dataframe, int len) /* threaded irq */ int ssp_irq_msg(struct ssp_data *data) { - bool found = false; char *buffer; u8 msg_type; int ret; u16 length, msg_options; - struct ssp_msg *msg, *n; + struct ssp_msg *msg = NULL, *iter, *n; ret = spi_read(data->spi, data->header_buffer, SSP_HEADER_BUFFER_SIZE); if (ret < 0) { @@ -362,15 +361,15 @@ int ssp_irq_msg(struct ssp_data *data) * received with no order */ mutex_lock(&data->pending_lock); - list_for_each_entry_safe(msg, n, &data->pending_list, list) { - if (msg->options == msg_options) { - list_del(&msg->list); - found = true; + list_for_each_entry_safe(iter, n, &data->pending_list, list) { + if (iter->options == msg_options) { + list_del(&iter->list); + msg = iter; break; } } - if (!found) { + if (!msg) { /* * here can be implemented dead messages handling * but the slave should not send such ones - it is to