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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:21:42 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:21:42 +0000 |
| commit | 9d537f04b26ad3ac10399b4885f6dcd9112f7973 (patch) | |
| tree | 734b519d1bca2065d28c33bce394def4d50c4da5 /drivers/media/usb/dvb-usb/af9005.c | |
| parent | Releasing progress-linux version 4.19.289-2progress5u1. (diff) | |
| download | linux-9d537f04b26ad3ac10399b4885f6dcd9112f7973.tar.xz linux-9d537f04b26ad3ac10399b4885f6dcd9112f7973.zip | |
Merging upstream version 4.19.304.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/usb/dvb-usb/af9005.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb/af9005.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c index d2737460c..60acaaf8b 100644 --- a/drivers/media/usb/dvb-usb/af9005.c +++ b/drivers/media/usb/dvb-usb/af9005.c @@ -431,6 +431,10 @@ static int af9005_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (ret == 0) ret = 2; } else { + if (msg[0].len < 2) { + ret = -EOPNOTSUPP; + goto unlock; + } /* write one or more registers */ reg = msg[0].buf[0]; addr = msg[0].addr; @@ -440,6 +444,7 @@ static int af9005_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], ret = 1; } +unlock: mutex_unlock(&d->i2c_mutex); return ret; } |