diff mbox series

OPP: switch to use kmemdup_array()

Message ID 20250515201312562vXizlDSg23_PhQ1nALjYV@zte.com.cn
State New
Headers show
Series OPP: switch to use kmemdup_array() | expand

Commit Message

zhang.enpei@zte.com.cn May 15, 2025, 12:13 p.m. UTC 
From: Zhang Enpei <zhang.enpei@zte.com.cn>

Use kmemdup_array() to avoid multiplication and possible overflows.

Signed-off-by: Zhang Enpei <zhang.enpei@zte.com.cn>
---
 drivers/opp/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 72fbb6cadc23..d85e3371493f 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -2087,8 +2087,8 @@  static int _opp_set_supported_hw(struct opp_table *opp_table,
        if (opp_table->supported_hw)
                return 0;

-       opp_table->supported_hw = kmemdup(versions, count * sizeof(*versions),
-                                       GFP_KERNEL);
+       opp_table->supported_hw = kmemdup_array(versions, count, sizeof(*versions),
+                                               GFP_KERNEL);
        if (!opp_table->supported_hw)
                return -ENOMEM;