V4L/DVB (8881): gspca: After 'while (retry--) {...}', retry will be -1 but not 0.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/conex.c b/drivers/media/video/gspca/conex.c
index 8c91ffd..4d9f4cc 100644
--- a/drivers/media/video/gspca/conex.c
+++ b/drivers/media/video/gspca/conex.c
@@ -731,13 +731,13 @@
reg_w_val(gspca_dev, 0x0000, 0x00);
/* wait for completion */
retry = 50;
- while (retry--) {
+ do {
reg_r(gspca_dev, 0x0002, 1);
/* 0x07 until 0x00 */
if (gspca_dev->usb_buf[0] == 0x00)
break;
reg_w_val(gspca_dev, 0x0053, 0x00);
- }
+ } while (--retry);
if (retry == 0)
PDEBUG(D_ERR, "Damned Errors sending jpeg Table");
/* send the qtable now */