diff options
Diffstat (limited to 'src/net')
| -rw-r--r-- | src/net/udp/tftp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/net/udp/tftp.c b/src/net/udp/tftp.c index 4255472e..6ce27497 100644 --- a/src/net/udp/tftp.c +++ b/src/net/udp/tftp.c @@ -279,6 +279,8 @@ static int tftp_presize ( struct tftp_request *tftp, size_t filesize ) { * length is an exact multiple of the blocksize will have a * trailing zero-length block, which must be included. */ + if ( tftp->blksize == 0 ) + return -EINVAL; num_blocks = ( ( filesize / tftp->blksize ) + 1 ); if ( ( rc = bitmap_resize ( &tftp->bitmap, num_blocks ) ) != 0 ) { DBGC ( tftp, "TFTP %p could not resize bitmap to %d blocks: " |