* Maxim Korotkov <korotkov.maxim.s@xxxxxxxxx> [221117 12:22]: > There is a possibility of dividing by zero due to the pcs->bits_per_pin > if pcs->fmask() also has a value of zero and called fls > from asm-generic/bitops/builtin-fls.h or arch/x86/include/asm/bitops.h. > The function pcs_probe() has the branch that assigned to fmask 0 before > pcs_allocate_pin_table() was called Reviewed-by: Tony Lindgren <tony@xxxxxxxxxxx>
Re: [PATCH] pinctrl: single: Fix potential division by zero
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- Subject: Re: [PATCH] pinctrl: single: Fix potential division by zero
- From: Tony Lindgren <tony@xxxxxxxxxxx>
- Date: Fri, 18 Nov 2022 10:15:21 +0200
- In-reply-to: <20221117123034.27383-1-korotkov.maxim.s@gmail.com>
- References: <20221117123034.27383-1-korotkov.maxim.s@gmail.com>
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- [PATCH] pinctrl: single: Fix potential division by zero
- From: Maxim Korotkov
- [PATCH] pinctrl: single: Fix potential division by zero
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