lsblk: check stat() return code [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/lsblk.c b/misc-utils/lsblk.c
index 30d5d9b4eaaae67c565942d85c3bba2d4fe46666..2ad2a4339227b838f8bca0b7799bdcd7b77f283e 100644 (file)
--- a/misc-utils/lsblk.c
+++ b/misc-utils/lsblk.c
@@ -655,8 +655,9 @@ static char *get_vfs_attribute(struct lsblk_device *dev, int id)
 
 static struct stat *device_get_stat(struct lsblk_device *dev)
 {
-       if (!dev->st.st_rdev)
-               stat(dev->filename, &dev->st);
+       if (!dev->st.st_rdev
+           && stat(dev->filename, &dev->st) != 0)
+               return NULL;
 
        return &dev->st;
 }