Patch "staging: comedi: fix comedi_nsamples_left." has been added to the 4.14-stable tree
Subsystems (2)
This is a note to let you know that I've just added the patch titled
staging: comedi: fix comedi_nsamples_left.
to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
staging-comedi-fix-comedi_nsamples_left.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
a42ae5905140c324362fe5036ae1dbb16e4d359cMon Sep 17 00:00:00 2001
From: Frank Mori Hess <[email protected]>
Date: Thu, 15 Feb 2018 15:13:42 -0500
Subject: staging: comedi: fix comedi_nsamples_left.
From: Frank Mori Hess <[email protected]>
commit a42ae5905140c324362fe5036ae1dbb16e4d359c upstream.
A rounding error was causing comedi_nsamples_left to return the wrong value when nsamples was not a multiple of the scan length.
--- drivers/staging/comedi/drivers.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
drivers/staging/comedi/drivers.c +1 -2
@@ -484,8 +484,7 @@ unsigned int comedi_nsamples_left(structstruct comedi_cmd *cmd = &async->cmd;if (cmd->stop_src ==TRIG_COUNT ) { -unsigned int nscans = nsamples / cmd->scan_end_arg; -unsigned int scans_left =__comedi_nscans_left (s, nscans); +unsigned int scans_left =__comedi_nscans_left (s, cmd->stop_arg);unsigned int scan_pos =comedi_bytes_to_samples (s, async->scan_progress);unsigned long long samples_left =0 ;
Patches currently in stable-queue which might be from [email protected] are
queue-4.14/staging-comedi-fix-comedi_nsamples_left.patch