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Groups > linux.kernel > #1303867

[PATCH] [SCSI] osst: remove double conversion of timeout

From Nicholas Mc Guire <hofrat@osadl.org>
Newsgroups linux.kernel
Subject [PATCH] [SCSI] osst: remove double conversion of timeout
Date 2016-01-07 21:20 +0100
Message-ID <qOpcm-4F9-23@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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If the time is actually in jiffies already it seems cleaner to call
schedule_timeout_interruptible() than to call msleep and covert the
timeout. In this case it will actually optimize the code a bit as 
it does not need to call jiffies_to_msecs here.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
---

problem was found by coccinelle spatch

patch was compile tested with: x86_64_defconfig +
CONFIG_CHR_DEV_OSST=m

patch is against linux-next (localversion-next is -next-20160107)

 drivers/scsi/osst.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 5033223..d8e5aa9 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -760,7 +760,7 @@ static int osst_wait_ready(struct osst_tape * STp, struct osst_request ** aSRpnt
 #endif
 
 	if (initial_delay > 0)
-		msleep(jiffies_to_msecs(initial_delay));
+		schedule_timeout_uninterruptible(initial_delay);
 
 	memset(cmd, 0, MAX_COMMAND_SIZE);
 	cmd[0] = TEST_UNIT_READY;
-- 
2.1.4

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Thread

[PATCH] [SCSI] osst: remove double conversion of timeout Nicholas Mc Guire <hofrat@osadl.org> - 2016-01-07 21:20 +0100
  RE: [PATCH] [SCSI] osst: remove double conversion of timeout "Seymour, Shane M" <shane.seymour@hpe.com> - 2016-01-08 01:10 +0100
    Re: [PATCH] [SCSI] osst: remove double conversion of timeout Nicholas Mc Guire <der.herr@hofr.at> - 2016-01-08 08:40 +0100
      RE: [PATCH] [SCSI] osst: remove double conversion of timeout "Seymour, Shane M" <shane.seymour@hpe.com> - 2016-01-11 02:00 +0100
        Re: [PATCH] [SCSI] osst: remove double conversion of timeout Nicholas Mc Guire <der.herr@hofr.at> - 2016-01-12 16:20 +0100

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