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[spi] fix issue report #6008

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rt_spi_sendrecv8()存在可能未初始化值返回的情况
This commit is contained in:
Meco Man 2022-06-21 02:08:59 -04:00 committed by guo
parent d5afcd7f0d
commit 4f1f8566f4
3 changed files with 2 additions and 12 deletions
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4
components/drivers/include/drivers/spi.h
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@ -271,7 +271,7 @@ rt_inline rt_size_t rt_spi_send(struct rt_spi_device *device,
rt_inline rt_uint8_t rt_spi_sendrecv8(struct rt_spi_device *device, rt_inline rt_uint8_t rt_spi_sendrecv8(struct rt_spi_device *device,
rt_uint8_t data) rt_uint8_t data)
{ {
rt_uint8_t value; rt_uint8_t value = 0;
rt_spi_send_then_recv(device, &data, 1, &value, 1); rt_spi_send_then_recv(device, &data, 1, &value, 1);
@ -281,7 +281,7 @@ rt_inline rt_uint8_t rt_spi_sendrecv8(struct rt_spi_device *device,
rt_inline rt_uint16_t rt_spi_sendrecv16(struct rt_spi_device *device, rt_inline rt_uint16_t rt_spi_sendrecv16(struct rt_spi_device *device,
rt_uint16_t data) rt_uint16_t data)
{ {
rt_uint16_t value; rt_uint16_t value = 0;
rt_spi_send_then_recv(device, &data, 2, &value, 2); rt_spi_send_then_recv(device, &data, 2, &value, 2);

9
components/drivers/spi/device_driver_list.txt
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@ -1,9 +0,0 @@
spi_wifi_rw009.c/spi_wifi_rw009.h
RW009
http://www.rt-thread.com/
enc28j60.c/enc28j60.h
http://www.microchip.com/
spi_flash_sfud: Serial Flash Universal Driver
https://github.com/armink/SFUD

1
components/drivers/spi/spi_core.c
View File

@ -300,7 +300,6 @@ rt_size_t rt_spi_transfer(struct rt_spi_device *device,
else else
{ {
rt_set_errno(-RT_EIO); rt_set_errno(-RT_EIO);
return 0; return 0;
} }