Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Input: wistron_btns - use kmemdup_array instead of kmemdup for multiple allocation
Let the kmemdup_array() take care about multiplication
and possible overflows.
Using kmemdup_array() is more appropriate and makes the code
easier to audit.
Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Link: https://lore.kernel.org/r/20240826045253.3503-1-shenlichuan@vivo.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
authored by
Shen Lichuan
and committed by
Dmitry Torokhov
b7ffc98a
6994d8b8
+2
-2
+2
-2
drivers/input/misc/wistron_btns.c
+2
-2
drivers/input/misc/wistron_btns.c
···
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for (key = keymap; key->type != KE_END; key++)
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length++;
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-
new_keymap = kmemdup(keymap, length * sizeof(struct key_entry),
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-
GFP_KERNEL);
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+
new_keymap = kmemdup_array(keymap, length, sizeof(struct key_entry),
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+
GFP_KERNEL);
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if (!new_keymap)
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return -ENOMEM;
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