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authorYueHaibing <yuehaibing@huawei.com>2019-01-23 22:16:56 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-25 10:02:49 +0100
commit04389af74d9129703c22609315ee7648d831dca0 (patch)
treed7d89f27234c15984070a32ab576906034925c7b /drivers/usb/misc
parente36f8b7b7d2a93622c2e17a738e0fda59f64a71c (diff)
downloadblackbird-op-linux-04389af74d9129703c22609315ee7648d831dca0.tar.gz
blackbird-op-linux-04389af74d9129703c22609315ee7648d831dca0.zip
usb: ftdi-elan: remove a unnecessary variable 'empty_packets'
The variable 'empty_packets' does not used in any other places except for self increment, so it can be removed. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/misc')
-rw-r--r--drivers/usb/misc/ftdi-elan.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 76c718ac8c78..b2b05c99e668 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -915,7 +915,6 @@ static int ftdi_elan_respond_engine(struct usb_ftdi *ftdi)
int bytes_read = 0;
int retry_on_empty = 1;
int retry_on_timeout = 3;
- int empty_packets = 0;
read:{
int packet_bytes = 0;
int retval = usb_bulk_msg(ftdi->udev,
@@ -963,7 +962,6 @@ read:{
} else if (packet_bytes == 2) {
unsigned char s0 = ftdi->bulk_in_buffer[0];
unsigned char s1 = ftdi->bulk_in_buffer[1];
- empty_packets += 1;
if (s0 == 0x31 && s1 == 0x60) {
if (retry_on_empty-- > 0) {
goto more;
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