These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / fs / ncpfs / ioctl.c

diff --git a/kernel/fs/ncpfs/ioctl.c b/kernel/fs/ncpfs/ioctl.c
index 79b1130..0a3f9b5 100644 (file)
--- a/kernel/fs/ncpfs/ioctl.c
+++ b/kernel/fs/ncpfs/ioctl.c
@@ -525,6 +525,8 @@ static long __ncp_ioctl(struct inode *inode, unsigned int cmd, unsigned long arg
                        switch (rqdata.cmd) {
                                case NCP_LOCK_EX:
                                case NCP_LOCK_SH:
+                                               if (rqdata.timeout < 0)
+                                                       return -EINVAL;
                                                if (rqdata.timeout == 0)
                                                        rqdata.timeout = NCP_LOCK_DEFAULT_TIMEOUT;
                                                else if (rqdata.timeout > NCP_LOCK_MAX_TIMEOUT)