From 6392be68c4d481148e20dbc2a8380cc246f27ad1 Mon Sep 17 00:00:00 2001
From: Ondrej Kozina <okozina@redhat.com>
Date: Tue, 19 Jun 2018 14:45:45 +0200
Subject: [PATCH 2/4] Fix write_lseek_blockwise for in the middle of sector
case.
See unit test write_lseek_blockwise(bsize=512, offset=1, length=1).
The test tries to modify single byte at offset 1 of device with
bsize=512.
---
lib/utils_io.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/utils_io.c b/lib/utils_io.c
index 94c4ef6..8336b18 100644
--- a/lib/utils_io.c
+++ b/lib/utils_io.c
@@ -216,8 +216,8 @@ ssize_t write_lseek_blockwise(int fd, size_t bsize, size_t alignment,
if (lseek(fd, offset - frontHang, SEEK_SET) < 0)
goto out;
- r = write_buffer(fd, frontPadBuf, frontHang + innerCount);
- if (r < 0 || r != (ssize_t)(frontHang + innerCount))
+ r = write_buffer(fd, frontPadBuf, bsize);
+ if (r < 0 || r != (ssize_t)bsize)
goto out;
buf = (char*)buf + innerCount;
--
1.8.3.1