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authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-12-29 16:47:18 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-12-29 16:47:18 +1100
commit0a8c5395f90f06d128247844b2515c8bf3f2826b (patch)
treed95382dcdfa303b99d480c01763d6cb6767fdaca /drivers/rtc
parent[XFS] Fix race in xfs_write() between direct and buffered I/O with DMAPI (diff)
parentMerge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc (diff)
downloadlinux-dev-0a8c5395f90f06d128247844b2515c8bf3f2826b.tar.xz
linux-dev-0a8c5395f90f06d128247844b2515c8bf3f2826b.zip
[XFS] Fix merge failures
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: fs/xfs/linux-2.6/xfs_cred.h fs/xfs/linux-2.6/xfs_globals.h fs/xfs/linux-2.6/xfs_ioctl.c fs/xfs/xfs_vnodeops.h Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'drivers/rtc')
-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 2cd77ab8fc66..054e05294af8 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;