diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-12-24 21:08:26 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-24 21:08:26 +0100 |
| commit | db8862eafe8a5d030a3b02e81b8bb47447c315e3 (patch) | |
| tree | 073ea7b46809bf804134cbf008a593413c02a99c /drivers/rtc | |
| parent | c5dee6177f4bd2095aab7d9be9f6ebdddd6deee9 (diff) | |
| parent | c20137fc5329eaf24093fc48c52608dc66be8e5c (diff) | |
Merge branch 'linus' into tracing/hw-branch-tracing
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-isl1208.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c index 2cd77ab8fc6..054e05294af 100644 --- a/drivers/rtc/rtc-isl1208.c +++ b/drivers/rtc/rtc-isl1208.c @@ -328,6 +328,13 @@ isl1208_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm) int sr; u8 regs[ISL1208_RTC_SECTION_LEN] = { 0, }; + /* The clock has an 8 bit wide bcd-coded register (they never learn) + * for the year. tm_year is an offset from 1900 and we are interested + * in the 2000-2099 range, so any value less than 100 is invalid. + */ + if (tm->tm_year < 100) + return -EINVAL; + regs[ISL1208_REG_SC] = bin2bcd(tm->tm_sec); regs[ISL1208_REG_MN] = bin2bcd(tm->tm_min); regs[ISL1208_REG_HR] = bin2bcd(tm->tm_hour) | ISL1208_REG_HR_MIL; |