clocksource: sh_tmu: Replace kmalloc + memset with kzalloc

One kzalloc a day keeps the bugs away.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
(cherry picked from commit 3b77a83eeabb885c5fff02756eba50f446a2d83c)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index e304304..26a9f7d 100644 (file)
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -397,8 +397,6 @@ static void sh_tmu_register_clockevent(struct sh_tmu_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->features |= CLOCK_EVT_FEAT_ONESHOT;
@@ -441,7 +439,6 @@ static int sh_tmu_channel_setup(struct sh_tmu_channel *ch,
 {
        struct sh_timer_config *cfg = tmu->pdev->dev.platform_data;
 
-       memset(ch, 0, sizeof(*ch));
        ch->tmu = tmu;
 
        /*
@@ -475,7 +472,6 @@ static int sh_tmu_setup(struct sh_tmu_device *tmu, struct platform_device *pdev)
        int ret;
        ret = -ENXIO;
 
-       memset(tmu, 0, sizeof(*tmu));
        tmu->pdev = pdev;
 
        if (!cfg) {
@@ -547,7 +543,7 @@ static int sh_tmu_probe(struct platform_device *pdev)
                goto out;
        }
 
-       tmu = kmalloc(sizeof(*tmu), GFP_KERNEL);
+       tmu = kzalloc(sizeof(*tmu), GFP_KERNEL);
        if (tmu == NULL) {
                dev_err(&pdev->dev, "failed to allocate driver data\n");
                return -ENOMEM;