From: Thierry Reding <thierry.reding@gmail.com>
Date: Mon, 2 May 2016 10:07:34 +0000 (+0200)
Subject: UPSTREAM: pwm: Use kcalloc() instead of kzalloc()
X-Git-Tag: firefly_0821_release~455
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5818f819cca318bdb13dc8a0f427100d2c12f077;p=firefly-linux-kernel-4.4.55.git

UPSTREAM: pwm: Use kcalloc() instead of kzalloc()

kcalloc() should be preferred for allocations of arrays over kzalloc()
with multiplication.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
(cherry picked from commit 2907f8abb7ec3aec85ceaaf03dfbc16cca0018dc)

Change-Id: Ifa4619bcd5c0869e516ae7765bab7515b299c533
Signed-off-by: David Wu <david.wu@rock-chips.com>
---

diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 5c961c640823..8fbd7c5d34b6 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -262,7 +262,7 @@ int pwmchip_add_with_polarity(struct pwm_chip *chip,
 	if (ret < 0)
 		goto out;
 
-	chip->pwms = kzalloc(chip->npwm * sizeof(*pwm), GFP_KERNEL);
+	chip->pwms = kcalloc(chip->npwm, sizeof(*pwm), GFP_KERNEL);
 	if (!chip->pwms) {
 		ret = -ENOMEM;
 		goto out;