tree 6f928534561fd82ad247120f1179431f07900e6a
parent 959e907d6b87eccee7b3296c88c563a3db1e3978
author Michael Heimpold <mhei@heimpold.de> 1369078482 +0200
committer Tom Rini <trini@konsulko.com> 1500752176 -0400

tools/fw_env: use fsync to ensure that data is physically stored

Closing a file descriptor does not guarantee that the data has been
successfully saved to disk, as the kernel might defer the write.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>