From: Jens Axboe <axboe@fb.com>
Date: Tue, 15 Apr 2014 14:30:06 +0000 (-0600)
Subject: sg: check for error in fcntl() restore of flags
X-Git-Tag: fio-2.1.9~16
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=affe05a916636af786ee66925038f6f2c74cf526

sg: check for error in fcntl() restore of flags

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

diff --git a/engines/sg.c b/engines/sg.c
index fcd9c413..87fe8835 100644
--- a/engines/sg.c
+++ b/engines/sg.c
@@ -142,8 +142,10 @@ re_read:
 	}
 
 	if (!min) {
-		for_each_file(td, f, i)
-			fcntl(f->fd, F_SETFL, sd->fd_flags[i]);
+		for_each_file(td, f, i) {
+			if (fcntl(f->fd, F_SETFL, sd->fd_flags[i]) < 0)
+				log_err("fio: sg failed to restore fcntl flags: %s\n", strerror(errno));
+		}
 	}
 
 	return r;