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authorDavid Vrabel <david.vrabel@csr.com>2009-01-02 13:17:13 +0000
committerDavid Vrabel <david.vrabel@csr.com>2009-01-02 13:17:13 +0000
commitb21a207141d83a06abc5f492b80204602e02ca44 (patch)
treef0152cde543008c72d7eb5c12c18095ad92785e6 /drivers/rtc/rtc-isl1208.c
parent3af373021fa32f8f787bfbdcc1a9277a287bde4e (diff)
parentb58602a4bac012b5f4fc12fe6b46ab237b610d5d (diff)
downloadkernel-crypto-b21a207141d83a06abc5f492b80204602e02ca44.tar.gz
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Conflicts: drivers/uwb/wlp/eda.c
Diffstat (limited to 'drivers/rtc/rtc-isl1208.c')
-rw-r--r--drivers/rtc/rtc-isl1208.c7
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;