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irda: use msecs_to_jiffies for conversion to jiffies

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API compliance scanning with coccinelle flagged:
./net/irda/timer.c:63:35-37: use of msecs_to_jiffies probably perferable

Converting milliseconds to jiffies by "val * HZ / 1000" technically
is not a clean solution as it does not handle all corner cases correctly.
By changing the conversion to use msecs_to_jiffies(val) conversion is
correct in all cases. Further the () around the arithmetic expression
was dropped.

Patch was compile tested for x86_64_defconfig + CONFIG_IRDA=m

Patch is against 4.1-rc4 (localversion-next is -next-20150522)

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicholas Mc Guire 2015-05-25 08:16:50 +02:00 committed by David S. Miller
parent d07ce242e6
commit 005e8709c6
1 changed files with 2 additions and 2 deletions
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4
net/irda/timer.c
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@ -60,8 +60,8 @@ void irlap_start_query_timer(struct irlap_cb *self, int S, int s)
* to avoid messing with for incoming connections requests and
* to accommodate devices that perform discovery slower than us.
* Jean II */
timeout = ((sysctl_slot_timeout * HZ / 1000) * (S - s)
+ XIDEXTRA_TIMEOUT + SMALLBUSY_TIMEOUT);
timeout = msecs_to_jiffies(sysctl_slot_timeout) * (S - s)
+ XIDEXTRA_TIMEOUT + SMALLBUSY_TIMEOUT;
/* Set or re-set the timer. We reset the timer for each received
* discovery query, which allow us to automatically adjust to