From: Wolfram Sang wsa+renesas@sang-engineering.com
commit 7dba402807a85fa3723f4a27504813caf81cc9d7 upstream.
'cmd_error' is not necessarily initialized on some error paths in mmc_send_tuning(). Initialize it.
Fixes: 2c9017d0b5d3 ("mmc: renesas_sdhi: abort tuning when timeout detected") Reported-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Wolfram Sang wsa+renesas@sang-engineering.com Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20211130132309.18246-1-wsa+renesas@sang-engineerin... Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mmc/host/renesas_sdhi_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -673,7 +673,7 @@ static int renesas_sdhi_execute_tuning(s
/* Issue CMD19 twice for each tap */ for (i = 0; i < 2 * priv->tap_num; i++) { - int cmd_error; + int cmd_error = 0;
/* Set sampling clock position */ sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_TAPSET, i % priv->tap_num);