From 00ccf932a0e0f0f1cbc6cdb9db5495dd5ebedd5a Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Fri, 25 Dec 2009 18:19:20 +0000 Subject: block/bochs.c: fix warning with _FORTIFY_SOURCE 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 Signed-off-by: Blue Swirl --- block/bochs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'block') diff --git a/block/bochs.c b/block/bochs.c index bac81c42b7..f6a18f2bcb 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)) { -- cgit v1.2.3