From 6f08a3666d71a4992b4af037164493ad633b8b1b Mon Sep 17 00:00:00 2001
From: Daniel Drake <dsd@cs.manchester.ac.uk>
Date: Fri, 15 Feb 2008 18:03:03 +0000
Subject: [PATCH] aeslib: fix register write boundaries
---
libfprint/aeslib.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/libfprint/aeslib.c b/libfprint/aeslib.c
index 31d0461..bf9d0f2 100644
--- a/libfprint/aeslib.c
+++ b/libfprint/aeslib.c
@@ -78,7 +78,6 @@ static int do_write_regv(struct write_regv_data *wdata, int upper_bound)
.data = data,
.length = alloc_size,
};
- fp_dbg("write batch of %d regs", num);
for (i = offset; i < offset + num; i++) {
const struct aes_regwrite *regwrite = &wdata->regs[i];
@@ -119,13 +118,14 @@ static void continue_write_regv(struct write_regv_data *wdata)
offset++;
}
+ wdata->offset = offset;
regs_remaining = wdata->num_regs - offset;
limit = MIN(regs_remaining, MAX_REGWRITES_PER_REQUEST);
- upper_bound = offset + limit;
+ upper_bound = offset + limit - 1;
/* determine if we can write the entire of the regs at once, or if there
* is a zero dividing things up */
- for (i = offset; i < offset + limit; i++)
+ for (i = offset; i <= upper_bound; i++)
if (!wdata->regs[i].reg) {
upper_bound = i - 1;
break;