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UBIFS: fix integer overflow warning 

Fix the following warning:

fs/ubifs/io.c: In function 'ubifs_wbuf_init':
fs/ubifs/io.c:860: warning: integer overflow in expression

And limit maximum hrtimer delta to ULONG_MAX because the
argument is 'unsigned long'.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Adrian Hunter 2009-06-22 17:31:09 +03:00 committed by Artem Bityutskiy
parent 8e4a718ff3
commit e3dc5a665d
1 changed files with 3 additions and 1 deletions
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4
fs/ubifs/io.c
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@ -857,7 +857,9 @@ int ubifs_wbuf_init(struct ubifs_info *c, struct ubifs_wbuf *wbuf)
* and hard limits. * and hard limits.
*/ */
hardlimit = ktime_set(DEFAULT_WBUF_TIMEOUT_SECS, 0); hardlimit = ktime_set(DEFAULT_WBUF_TIMEOUT_SECS, 0);
wbuf->delta = (DEFAULT_WBUF_TIMEOUT_SECS * NSEC_PER_SEC) * 2 / 10; wbuf->delta = DEFAULT_WBUF_TIMEOUT_SECS * 1000000000ULL * 2 / 10;
if (wbuf->delta > ULONG_MAX)
wbuf->delta = ULONG_MAX;
wbuf->softlimit = ktime_sub_ns(hardlimit, wbuf->delta); wbuf->softlimit = ktime_sub_ns(hardlimit, wbuf->delta);
hrtimer_set_expires_range_ns(&wbuf->timer, wbuf->softlimit, hrtimer_set_expires_range_ns(&wbuf->timer, wbuf->softlimit,
wbuf->delta); wbuf->delta);