Hi
Fix crash when init tuner and upload twice the firmware into xc5000 at the some time.
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index aa1b2e8..a491a5b 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -996,6 +996,8 @@ static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe)
struct xc5000_priv *priv = fe->tuner_priv;
int ret = 0;
+ mutex_lock(&xc5000_list_mutex);
+
if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) {
ret = xc5000_fwupload(fe);
if (ret != XC_RESULT_SUCCESS)
@@ -1015,6 +1017,8 @@ static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe)
/* Default to "CABLE" mode */
ret |= xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
+ mutex_unlock(&xc5000_list_mutex);
+
return ret;
}
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@xxxxxxxxx>
With my best regards, Dmitry.
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index aa1b2e8..a491a5b 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -996,6 +996,8 @@ static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe)
struct xc5000_priv *priv = fe->tuner_priv;
int ret = 0;
+ mutex_lock(&xc5000_list_mutex);
+
if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) {
ret = xc5000_fwupload(fe);
if (ret != XC_RESULT_SUCCESS)
@@ -1015,6 +1017,8 @@ static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe)
/* Default to "CABLE" mode */
ret |= xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
+ mutex_unlock(&xc5000_list_mutex);
+
return ret;
}
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@xxxxxxxxx>
