clocksource: sh_mtu2: Replace kmalloc + memset with kzalloc

One kzalloc a day keeps the bugs away.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Wolfram Sang <wsa@sang-engineering.com>
(cherry picked from commit 810c651369b343618d949826e0acd0df1b8b06eb)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index 61827c6..94a5342 100644 (file)
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -241,8 +241,6 @@ static void sh_mtu2_register_clockevent(struct sh_mtu2_channel *ch,
        struct clock_event_device *ced = &ch->ced;
        int ret;
 
-       memset(ced, 0, sizeof(*ced));
-
        ced->name = name;
        ced->features = CLOCK_EVT_FEAT_PERIODIC;
        ced->rating = rating;
@@ -279,7 +277,6 @@ static int sh_mtu2_setup_channel(struct sh_mtu2_channel *ch,
 {
        struct sh_timer_config *cfg = mtu->pdev->dev.platform_data;
 
-       memset(ch, 0, sizeof(*ch));
        ch->mtu = mtu;
        ch->index = cfg->timer_bit;
 
@@ -302,7 +299,6 @@ static int sh_mtu2_setup(struct sh_mtu2_device *mtu,
        int ret;
        ret = -ENXIO;
 
-       memset(mtu, 0, sizeof(*mtu));
        mtu->pdev = pdev;
 
        if (!cfg) {
@@ -373,7 +369,7 @@ static int sh_mtu2_probe(struct platform_device *pdev)
                goto out;
        }
 
-       mtu = kmalloc(sizeof(*mtu), GFP_KERNEL);
+       mtu = kzalloc(sizeof(*mtu), GFP_KERNEL);
        if (mtu == NULL) {
                dev_err(&pdev->dev, "failed to allocate driver data\n");
                return -ENOMEM;