The patch titled rtc: test before subtraction on unsigned has been added to the -mm tree. Its filename is rtc-test-before-subtraction-on-unsigned.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: rtc: test before subtraction on unsigned From: Roel Kluin <roel.kluin@xxxxxxxxx> new_alarm is unsigned so test before the subtraction. Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx> Cc: David Brownell <david-b@xxxxxxxxxxx> Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/rtc/rtc-ds1374.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff -puN drivers/rtc/rtc-ds1374.c~rtc-test-before-subtraction-on-unsigned drivers/rtc/rtc-ds1374.c --- a/drivers/rtc/rtc-ds1374.c~rtc-test-before-subtraction-on-unsigned +++ a/drivers/rtc/rtc-ds1374.c @@ -222,16 +222,16 @@ static int ds1374_set_alarm(struct devic rtc_tm_to_time(&alarm->time, &new_alarm); rtc_tm_to_time(&now, &itime); - new_alarm -= itime; - /* This can happen due to races, in addition to dates that are * truly in the past. To avoid requiring the caller to check for * races, dates in the past are assumed to be in the recent past * (i.e. not something that we'd rather the caller know about via * an error), and the alarm is set to go off as soon as possible. */ - if (new_alarm <= 0) + if (new_alarm <= itime) new_alarm = 1; + else + new_alarm -= itime; mutex_lock(&ds1374->mutex); _ Patches currently in -mm which might be from roel.kluin@xxxxxxxxx are origin.patch mm-get_nid_for_pfn-returns-int.patch linux-next.patch acpi-get_throttling_state-cannot-be-larger-state_count.patch acpi-wmic-unsigned-cannot-be-less-than-0.patch drm-fix-lock_test_with_return-macro.patch dvb-negative-internal-sub_range-wont-get-noticed.patch jffs2_acl_count-tests-0-on-unsigned.patch scsi-ncr53c8xx-div-reaches-1.patch scsi-pcmcia-nsp_cs-time_out-reaches-1.patch hugetlb-chg-cannot-become-less-than-0.patch frv-duplicate-output_buffer-of-e03.patch frv-duplicate-output_buffer-of-e03-checkpatch-fixes.patch alpha-fix-macros.patch m68k-count-can-reach-51-not-50.patch m68k-count-can-reach-51-not-50-checkpatch-fixes.patch spi-limit-reaches-1-tested-0.patch rtc-wm8350-retries-will-reach-1.patch rtc-test-before-subtraction-on-unsigned.patch rtc-test-before-subtraction-on-unsigned-fix.patch fbdev-newport-newport_wait-return-0-on-timeout.patch drivers-video-omap-hwa742c-div-reaches-max_clk_div.patch arkfb-fix-misplaced-parentheses.patch uvesafb-bitwise-or-has-higher-precedence-than.patch vesafb-bitwise-or-has-higher-precedence-than.patch viafb-returns-0-two-too-early.patch ufs-sector_t-cannot-be-negative.patch rio-addition-has-higher-precedence-than.patch aoe-error-printed-1-too-early.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html