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Merge tag 'backport/v3.14.24-ltsi-rc1/phy-rcar-gen2-usb-to-v3.15' into backport/v3...
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
drivers
/
firewire
/
core-cdev.c
diff --git
a/drivers/firewire/core-cdev.c
b/drivers/firewire/core-cdev.c
index
d7d5c8a
..
6d44568
100644
(file)
--- a/
drivers/firewire/core-cdev.c
+++ b/
drivers/firewire/core-cdev.c
@@
-1637,8
+1637,7
@@
static int dispatch_ioctl(struct client *client,
_IOC_SIZE(cmd) > sizeof(buffer))
return -ENOTTY;
- if (_IOC_DIR(cmd) == _IOC_READ)
- memset(&buffer, 0, _IOC_SIZE(cmd));
+ memset(&buffer, 0, sizeof(buffer));
if (_IOC_DIR(cmd) & _IOC_WRITE)
if (copy_from_user(&buffer, arg, _IOC_SIZE(cmd)))