When called with a zero bcnt, r1 is used uninitialized. Initialize it to an error in that case.
Signed-off-by: Ahmad Fatoum <[email protected]> --- drivers/mci/mci_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mci/mci_spi.c b/drivers/mci/mci_spi.c index 41d8c25e2736..657ce9e42ee0 100644 --- a/drivers/mci/mci_spi.c +++ b/drivers/mci/mci_spi.c @@ -137,7 +137,7 @@ static uint mmc_spi_readdata(struct mmc_spi_host *host, void *xbuf, uint32_t bcnt, uint32_t bsize) { uint8_t *buf = xbuf; - uint8_t r1; + uint8_t r1 = R1_SPI_ERROR; uint16_t crc; int i; -- 2.39.5
