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[v3,1/4] media: stk1160: fix number of buffers in case not all buffers are created

Message ID 20220217060724.7763-2-dafna@fastmail.com
State New
Headers show
Series stk1160: allocate urb buffs with the DMA noncontiguous API | expand

Commit Message

Dafna Hirschfeld Feb. 17, 2022, 6:07 a.m. UTC 
From: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>

In case we fail to allocate a transfer_buffer then we
break the buffers creation loop and update the number of
buffers to the number of successfully allocated which should
be 'i' and not 'i - 1' nor 'i + 1'

Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
---
 drivers/media/usb/stk1160/stk1160-video.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/usb/stk1160/stk1160-video.c b/drivers/media/usb/stk1160/stk1160-video.c
index 202b084f65a2..92c8b1fba2b0 100644
--- a/drivers/media/usb/stk1160/stk1160-video.c
+++ b/drivers/media/usb/stk1160/stk1160-video.c
@@ -511,15 +511,15 @@  int stk1160_alloc_isoc(struct stk1160 *dev)
 	usb_free_urb(dev->isoc_ctl.urb[i]);
 	dev->isoc_ctl.urb[i] = NULL;
 
-	stk1160_warn("%d urbs allocated. Trying to continue...\n", i - 1);
+	stk1160_warn("%d urbs allocated. Trying to continue...\n", i);
 
-	dev->isoc_ctl.num_bufs = i - 1;
+	dev->isoc_ctl.num_bufs = i;
 
 	return 0;
 
 free_i_bufs:
 	/* Save the allocated buffers so far, so we can properly free them */
-	dev->isoc_ctl.num_bufs = i+1;
+	dev->isoc_ctl.num_bufs = i;
 	stk1160_free_isoc(dev);
 	return -ENOMEM;
 }