Messages in this thread Patch in this message | | | From | Kevin Cernekee <> | Date | Fri, 26 Jun 2009 17:10:50 -0700 | Subject | [PATCH] UBIFS: Fix integer overflow warnings |
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This warning was observed on MIPS32 using 2.6.31-rc1 and gcc-4.2.0:
fs/ubifs/io.c: In function 'ubifs_wbuf_init': fs/ubifs/io.c:860: warning: integer overflow in expression fs/ubifs/io.c:860: warning: integer overflow in expression fs/ubifs/io.c:860: warning: integer overflow in expression
Signed-off-by: Kevin Cernekee <cernekee@gmail.com> --- index bc58571..184157e 100644 --- a/fs/ubifs/io.c +++ b/fs/ubifs/io.c @@ -857,7 +857,8 @@ int ubifs_wbuf_init(struct ubifs_info *c, struct ubifs_wbuf *wbuf) * and hard limits. */ hardlimit = ktime_set(DEFAULT_WBUF_TIMEOUT_SECS, 0); - wbuf->delta = (DEFAULT_WBUF_TIMEOUT_SECS * NSEC_PER_SEC) * 2 / 10; + wbuf->delta = ((unsigned long long)DEFAULT_WBUF_TIMEOUT_SECS * + NSEC_PER_SEC) * 2 / 10; wbuf->softlimit = ktime_sub_ns(hardlimit, wbuf->delta); hrtimer_set_expires_range_ns(&wbuf->timer, wbuf->softlimit, wbuf->delta); --
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