Messages in this thread | | | Date | Tue, 21 Nov 2023 17:19:40 -0600 | Subject | Re: linux-next: build warning after merge of the kspp-gustavo tree | From | "Gustavo A. R. Silva" <> |
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On 11/21/23 16:50, Stephen Rothwell wrote: > Hi all, > > After merging the kspp-gustavo tree, today's linux-next build (x86_64 > allmodconfig) produced this warning: > > In function 'aspeed_create_fan_tach_channel', > inlined from 'aspeed_create_fan' at drivers/hwmon/aspeed-pwm-tacho.c:877:2, > inlined from 'aspeed_pwm_tacho_probe' at drivers/hwmon/aspeed-pwm-tacho.c:936:9: > drivers/hwmon/aspeed-pwm-tacho.c:751:49: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] > 751 | priv->fan_tach_ch_source[index] = pwm_source; > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~ > drivers/hwmon/aspeed-pwm-tacho.c: In function 'aspeed_pwm_tacho_probe': > drivers/hwmon/aspeed-pwm-tacho.c:193:12: note: at offset [48, 255] into destination object 'fan_tach_ch_source' of size 16 > 193 | u8 fan_tach_ch_source[16]; > | ^~~~~~~~~~~~~~~~~~ > > Exposed by commit > > 1b56c90018f0 ("Makefile: Enable -Wstringop-overflow globally") > > This is with your tree on top of Linus' tree (and some fix patches but > nothing that obviously touches anything relevent) and CONFIG_WERROR > not set. >
Hi Stephen,
The fix for this issue is also in linux-next already:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=72cfe7a99c9ea1e64fc532f4f05c99991858dc34
Thanks! -- Gustavo
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