From 9e2f2c4fb93a12e20f6bd82e1b9bf3df36236198 Mon Sep 17 00:00:00 2001 From: Christian Gromm Date: Tue, 22 Dec 2015 10:52:48 +0100 Subject: [PATCH] staging: most: fix tracking of MBO offset This patch increments mbo_offs by the number of bytes that have been copied and resets it in case a complete mbo has been transferred to user buffer. Signed-off-by: Christian Gromm Signed-off-by: Greg Kroah-Hartman --- drivers/staging/most/aim-cdev/cdev.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c index 86194ce51472..0141293b4bf5 100644 --- a/drivers/staging/most/aim-cdev/cdev.c +++ b/drivers/staging/most/aim-cdev/cdev.c @@ -257,9 +257,8 @@ start_copy: copied = to_copy - not_copied; - if (count < mbo->processed_length) { - channel->mbo_offs = copied; - } else { + channel->mbo_offs += copied; + if (channel->mbo_offs >= mbo->processed_length) { most_put_mbo(mbo); channel->mbo_offs = 0; channel->stacked_mbo = NULL; -- 2.20.1