lsblk: fix /sys/.../ro usage

Reported-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/lsblk.c b/misc-utils/lsblk.c
index e3779ba0a492d058317a10641690b65b6ba5252f..9e894ef27e26209df4f4dde4ff2406bf0fef0557 100644 (file)
--- a/misc-utils/lsblk.c
+++ b/misc-utils/lsblk.c
@@ -442,7 +442,7 @@ static int is_readonly_device(struct blkdev_cxt *cxt)
 {
        int fd, ro = 0;
 
-       if (sysfs_scanf(&cxt->sysfs, "ro", "%d", &ro) == 0)
+       if (sysfs_scanf(&cxt->sysfs, "ro", "%d", &ro) == 1)
                return ro;
 
        /* fallback if "ro" attribute does not exist */