diff mbox series

[net-next,1/1] net: ipa: use struct_size() for the interconnect array

Message ID 20220311162423.872645-1-elder@linaro.org
State Accepted
Commit cb631a6398192f79f33a2480517c272120985020
Headers show
Series [net-next,1/1] net: ipa: use struct_size() for the interconnect array | expand

Commit Message

Alex Elder March 11, 2022, 4:24 p.m. UTC
In review for commit 8ee7ec4890e2b ("net: ipa: embed interconnect
array in the power structure"), Jakub Kicinski suggested that a
follow-up patch use struct_size() when computing the size of the
IPA power structure, which ends with a flexible array member.

Do that.

Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Alex Elder <elder@linaro.org>
---
 drivers/net/ipa/ipa_power.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ipa/ipa_power.c b/drivers/net/ipa/ipa_power.c
index 16ece27d14d7e..db5ac7552286e 100644
--- a/drivers/net/ipa/ipa_power.c
+++ b/drivers/net/ipa/ipa_power.c
@@ -374,8 +374,8 @@  ipa_power_init(struct device *dev, const struct ipa_power_data *data)
 		goto err_clk_put;
 	}
 
-	size = data->interconnect_count * sizeof(power->interconnect[0]);
-	power = kzalloc(sizeof(*power) + size, GFP_KERNEL);
+	size = struct_size(power, interconnect, data->interconnect_count);
+	power = kzalloc(size, GFP_KERNEL);
 	if (!power) {
 		ret = -ENOMEM;
 		goto err_clk_put;