[CRIU] [PATCH] fs: Fix retval analysing erratum

[Kirill Tkhai]

Negative retval is error, while 0 is OK.

Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>
---
 criu/filesystems.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/criu/filesystems.c b/criu/filesystems.c
index d52fe5c..e640096 100644
--- a/criu/filesystems.c
+++ b/criu/filesystems.c
@@ -213,7 +213,7 @@ static int write_binfmt_misc_entry(char *mp, char *buf, BinfmtMiscEntry *bme)
 		snprintf(path, PATH_MAX, "%s/%s", mp, bme->name);
 
 		fd = open(path, O_WRONLY);
-		if (!fd) {
+		if (fd < 0) {
 			pr_perror("binfmt_misc: can't open %s", path);
 			goto out;
 		}