CC block/bochs.o
cc1: warnings being treated as errors
block/bochs.c: In function 'seek_to_sector':
block/bochs.c:202: error: ignoring return value of 'read', declared with
attribute warn_unused_result
make: *** [block/bochs.o] Error 1
Signed-off-by: Kirill A. Shutemov <kir...@shutemov.name>
---
block/bochs.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/block/bochs.c b/block/bochs.c
index bac81c4..f6a18f2 100644
--- a/block/bochs.c
+++ b/block/bochs.c
@@ -199,7 +199,8 @@ static inline int seek_to_sector(BlockDriverState *bs,
int64_t sector_num)
// read in bitmap for current extent
lseek(s->fd, bitmap_offset + (extent_offset / 8), SEEK_SET);
- read(s->fd, &bitmap_entry, 1);
+ if (read(s->fd, &bitmap_entry, 1) != 1)
+ return -1;
if (!((bitmap_entry >> (extent_offset % 8)) & 1))
{
--
1.6.5.6
