[PATCH v2] media: sq905.c: fix uninitialized variable
From: Alaa Emad
Date: Fri Mar 26 2021 - 17:03:51 EST
Reported-by: syzbot+a4e309017a5f3a24c7b3@xxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Alaa Emad <alaaemadhossney.ae@xxxxxxxxx>
---
Changes in v2:
- Fix the error occured because of pervious fix.
---
drivers/media/usb/gspca/sq905.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/media/usb/gspca/sq905.c b/drivers/media/usb/gspca/sq905.c
index 97799cfb832e..57206dd2e1a0 100644
--- a/drivers/media/usb/gspca/sq905.c
+++ b/drivers/media/usb/gspca/sq905.c
@@ -157,8 +157,8 @@ static int sq905_ack_frame(struct gspca_dev *gspca_dev)
static int
sq905_read_data(struct gspca_dev *gspca_dev, u8 *data, int size, int need_lock)
{
- int ret;
- int act_len;
+ int ret;
+ int act_len;
gspca_dev->usb_buf[0] = '\0';
if (need_lock)
@@ -180,8 +180,8 @@ sq905_read_data(struct gspca_dev *gspca_dev, u8 *data, int size, int need_lock)
data, size, &act_len, SQ905_DATA_TIMEOUT);
/* successful, it returns 0, otherwise negative */
- if (ret < 0 || act_len != size) {
- pr_err("bulk read fail (%d) len %d/%d\n", ret, act_len, size);
+ if (ret < 0 || act_len != size) {
+ pr_err("bulk read fail (%d) len %d/%d\n", ret, ret < 0 ? -1 : act_len, size);
return -EIO;
}
return 0;
--
2.25.1