From: Jens Axboe <jens.axboe@oracle.com>
Date: Mon, 2 Apr 2007 08:42:33 +0000 (+0200)
Subject: sg engine: errno return value fixes
X-Git-Tag: fio-1.15.1~3
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=a05bd42ddbe73c726d062829c3295e7e315ee653

sg engine: errno return value fixes

It was a little all-over-the-place, unify it - return -1 for error,
let the caller look at errno for the specific error.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/engines/sg.c b/engines/sg.c
index 99c5856a..44e151b6 100644
--- a/engines/sg.c
+++ b/engines/sg.c
@@ -166,7 +166,7 @@ static int fio_sgio_ioctl_doio(struct thread_data *td,
 
 	ret = ioctl(f->fd, SG_IO, hdr);
 	if (ret < 0)
-		return -errno;
+		return ret;
 
 	return FIO_Q_COMPLETED;
 }
@@ -178,12 +178,12 @@ static int fio_sgio_rw_doio(struct fio_file *f, struct io_u *io_u, int sync)
 
 	ret = write(f->fd, hdr, sizeof(*hdr));
 	if (ret < 0)
-		return errno;
+		return ret;
 
 	if (sync) {
 		ret = read(f->fd, hdr, sizeof(*hdr));
 		if (ret < 0)
-			return -errno;
+			return ret;
 		return FIO_Q_COMPLETED;
 	}