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68ede283a1
This code is doing more work than it needs to. Before handing off `val_str` to `kstrtouint()` we are eagerly removing any trailing newline which requires copying `buf`, validating it's length and checking/replacing any potential newlines. kstrtouint() handles this implicitly: kstrtouint -> kstrotoull -> (documentation) | /** | * kstrtoull - convert a string to an unsigned long long | * @s: The start of the string. The string must be null-terminated, and may also | * include a single newline before its terminating null. The first character | ... Let's remove the redundant functionality and let kstrtouint handle it. Suggested-by: Kees Cook <keescook@chromium.org> Signed-off-by: Justin Stitt <justinstitt@google.com> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20230925-strncpy-drivers-input-misc-axp20x-pek-c-v2-1-ff7abe8498d6@google.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> |
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| .. | ||
| gameport | ||
| joystick | ||
| keyboard | ||
| misc | ||
| mouse | ||
| rmi4 | ||
| serio | ||
| tablet | ||
| tests | ||
| touchscreen | ||
| apm-power.c | ||
| evbug.c | ||
| evdev.c | ||
| ff-core.c | ||
| ff-memless.c | ||
| input-compat.c | ||
| input-compat.h | ||
| input-core-private.h | ||
| input-leds.c | ||
| input-mt.c | ||
| input-poller.c | ||
| input-poller.h | ||
| input.c | ||
| joydev.c | ||
| Kconfig | ||
| Makefile | ||
| matrix-keymap.c | ||
| mousedev.c | ||
| sparse-keymap.c | ||
| touchscreen.c | ||
| vivaldi-fmap.c | ||