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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-12-07 16:30:11 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-12-07 16:30:11 -0300
commit189382f7a338c02b448ab27e1d5566e052165dc8 (patch)
tree14903209649ee76584b17afa492e31a0c9460c27 /drivers/media/tuners
parent62e27076b7a48d1c8fc4eed59ff75f6382915c46 (diff)
Linux-libre 4.8.12-gnupck-4.8.12-gnu
Diffstat (limited to 'drivers/media/tuners')
-rw-r--r--drivers/media/tuners/tuner-xc2028.c37
1 files changed, 16 insertions, 21 deletions
diff --git a/drivers/media/tuners/tuner-xc2028.c b/drivers/media/tuners/tuner-xc2028.c
index 75748acad..f263c21d6 100644
--- a/drivers/media/tuners/tuner-xc2028.c
+++ b/drivers/media/tuners/tuner-xc2028.c
@@ -281,6 +281,14 @@ static void free_firmware(struct xc2028_data *priv)
int i;
tuner_dbg("%s called\n", __func__);
+ /* free allocated f/w string */
+ if (priv->fname != firmware_name)
+ kfree(priv->fname);
+ priv->fname = NULL;
+
+ priv->state = XC2028_NO_FIRMWARE;
+ memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
+
if (!priv->firm)
return;
@@ -291,9 +299,6 @@ static void free_firmware(struct xc2028_data *priv)
priv->firm = NULL;
priv->firm_size = 0;
- priv->state = XC2028_NO_FIRMWARE;
-
- memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
}
static int load_all_firmwares(struct dvb_frontend *fe,
@@ -884,9 +889,8 @@ read_not_reliable:
return 0;
fail:
- priv->state = XC2028_NO_FIRMWARE;
+ free_firmware(priv);
- memset(&priv->cur_fw, 0, sizeof(priv->cur_fw));
if (retry_count < 8) {
msleep(50);
retry_count++;
@@ -1332,11 +1336,8 @@ static int xc2028_dvb_release(struct dvb_frontend *fe)
mutex_lock(&xc2028_list_mutex);
/* only perform final cleanup if this is the last instance */
- if (hybrid_tuner_report_instance_count(priv) == 1) {
+ if (hybrid_tuner_report_instance_count(priv) == 1)
free_firmware(priv);
- kfree(priv->ctrl.fname);
- priv->ctrl.fname = NULL;
- }
if (priv)
hybrid_tuner_release_state(priv);
@@ -1399,19 +1400,8 @@ static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg)
/*
* Copy the config data.
- * For the firmware name, keep a local copy of the string,
- * in order to avoid troubles during device release.
*/
- kfree(priv->ctrl.fname);
- priv->ctrl.fname = NULL;
memcpy(&priv->ctrl, p, sizeof(priv->ctrl));
- if (p->fname) {
- priv->ctrl.fname = kstrdup(p->fname, GFP_KERNEL);
- if (priv->ctrl.fname == NULL) {
- rc = -ENOMEM;
- goto unlock;
- }
- }
/*
* If firmware name changed, frees firmware. As free_firmware will
@@ -1426,10 +1416,15 @@ static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg)
if (priv->state == XC2028_NO_FIRMWARE) {
if (!firmware_name[0])
- priv->fname = priv->ctrl.fname;
+ priv->fname = kstrdup(p->fname, GFP_KERNEL);
else
priv->fname = firmware_name;
+ if (!priv->fname) {
+ rc = -ENOMEM;
+ goto unlock;
+ }
+
rc = reject_firmware_nowait(THIS_MODULE, 1,
priv->fname,
priv->i2c_props.adap->dev.parent,