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V4L/DVB (8881): gspca: After 'while (retry--) {...}', retry will be -1 but not 0.

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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>
This commit is contained in:
Li Zefan 2008-09-02 07:02:50 -03:00 committed by Mauro Carvalho Chehab
parent 748c7f80ac
commit 8561098ff1
2 changed files with 4 additions and 4 deletions
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4
drivers/media/video/gspca/conex.c
View file

@ -731,13 +731,13 @@ static void cx11646_jpeg(struct gspca_dev*gspca_dev)
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 */

4
drivers/media/video/gspca/spca561.c
View file

@ -223,11 +223,11 @@ static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
reg_w_val(gspca_dev->dev, 0x8804, 0x92);
reg_w_val(gspca_dev->dev, 0x8801, reg);
reg_w_val(gspca_dev->dev, 0x8802, (mode | 0x01));
while (retry--) {
do {
reg_r(gspca_dev, 0x8803, 1);
if (!gspca_dev->usb_buf)
break;
}
} while (--retry);
if (retry == 0)
return -1;
reg_r(gspca_dev, 0x8800, 1);