| Message ID | Y4XUmZMqt9E6dF9g@kili (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: rzg2l-cru: fix a test for timeout | expand |
diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c index aa752b80574c..1bc27aec0265 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c @@ -402,7 +402,7 @@ static void rzg2l_csi2_mipi_link_disable(struct rzg2l_csi2 *csi2) rzg2l_csi2_write(csi2, CSI2nRTCT, CSI2nRTCT_VSRST); /* Make sure CSI2nRTST.VSRSTS bit is cleared */ - while (timeout--) { + while (--timeout) { if (!(rzg2l_csi2_read(csi2, CSI2nRTST) & CSI2nRTST_VSRSTS)) break; usleep_range(100, 200);
The test for if the loop timed out is wrong and Smatch complains: drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c:411 rzg2l_csi2_mipi_link_disable() warn: should this be 'timeout == -1' Let's change it to a preop loop instead of a post op loop. Fixes: 51e8415e39a9 ("media: platform: Add Renesas RZ/G2L MIPI CSI-2 receiver driver") Signed-off-by: Dan Carpenter <error27@gmail.com> --- This does change the number of iterations from 20 to 19 but generally retry counts are approximations. drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)