Messages in this thread Patch in this message | | | Date | Sat, 29 Apr 2006 01:38:57 +0900 (JST) | Subject | [PATCH] genrtc: fix read on 64-bit platforms | From | Atsushi Nemoto <> |
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Fix genrtc's read() routine for 64-bit platforms.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c index d3a2bc3..588fca5 100644 --- a/drivers/char/genrtc.c +++ b/drivers/char/genrtc.c @@ -200,13 +200,13 @@ static ssize_t gen_rtc_read(struct file /* first test allows optimizer to nuke this case for 32-bit machines */ if (sizeof (int) != sizeof (long) && count == sizeof (unsigned int)) { unsigned int uidata = data; - retval = put_user(uidata, (unsigned long __user *)buf); + retval = put_user(uidata, (unsigned int __user *)buf) ?: + sizeof(unsigned int); } else { - retval = put_user(data, (unsigned long __user *)buf); + retval = put_user(data, (unsigned long __user *)buf) ?: + sizeof(unsigned long); } - if (!retval) - retval = sizeof(unsigned long); out: current->state = TASK_RUNNING; remove_wait_queue(&gen_rtc_wait, &wait); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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