snd_i2c_sendbytes could fail. The fix checks its return value: if it
fails, issues an error message and returns with its error code.
Signed-off-by: Aditya Pakki <pakki...@umn.edu>
---
sound/pci/ice1712/ews.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/sound/pci/ice1712/ews.c b/sound/pci/ice1712/ews.c
index b8af747ecb43..7646c93e8268 100644
--- a/sound/pci/ice1712/ews.c
+++ b/sound/pci/ice1712/ews.c
@@ -826,7 +826,12 @@ static int snd_ice1712_6fire_read_pca(struct snd_ice1712
*ice, unsigned char reg
snd_i2c_lock(ice->i2c);
byte = reg;
- snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1);
+ if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1)) {
+ snd_i2c_unlock(ice->i2c);
+ dev_err(ice->card->dev, "cannot send pca\n");
+ return -EIO;
+ }
+
byte = 0;
if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1) != 1) {
snd_i2c_unlock(ice->i2c);
--
2.17.1
