diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2021-11-30 16:23:09 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-14 12:57:14 +0300 |
| commit | dfb7285a82faafb3930f138444fd1a6ddeed2634 (patch) | |
| tree | 8a5192ef569d81a7a353f89d85bab01f813be7fa /drivers/mmc | |
| parent | 62c613419543a00317783d58144684bfbb24b3a4 (diff) | |
| download | linux-dfb7285a82faafb3930f138444fd1a6ddeed2634.tar.xz | |
mmc: renesas_sdhi: initialize variable properly when tuning
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-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index a4407f391f66..f5b2684ad805 100644 --- 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(struct mmc_host *mmc, u32 opcode) /* 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); |