Re: stable-rc/linux-5.4.y: new build regression: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ...

[Greg KH <greg@kroah.com>]

On Mon, Feb 03, 2025 at 04:27:00PM -0800, KernelCI bot wrote:
> Hello,
> 
> New build issue found on stable-rc/linux-5.4.y:
> 
>  expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘__free’ in
> drivers/soc/atmel/soc.o (drivers/soc/atmel/soc.c)
> [logspec:kbuild,kbuild.compiler.error]
> 
> - Dashboard: https://staging.dashboard.kernelci.org:9000/issue/maestro:040dcc33328a47e528c393a656a52b340b4ccc8b
> - Grafana: https://grafana.kernelci.org/d/issue/issue?var-id=maestro:040dcc33328a47e528c393a656a52b340b4ccc8b
> 
> 
> Log excerpt:
> drivers/soc/atmel/soc.c:277:32: error: expected ‘=’, ‘,’, ‘;’, ‘asm’
> or ‘__attribute__’ before ‘__free’
>   277 |         struct device_node *np __free(device_node) =
> of_find_node_by_path("/");
>       |                                ^~~~~~
> drivers/soc/atmel/soc.c:277:32: error: implicit declaration of
> function ‘__free’; did you mean ‘kzfree’?
> [-Werror=implicit-function-declaration]
>   277 |         struct device_node *np __free(device_node) =
> of_find_node_by_path("/");
>       |                                ^~~~~~
>       |                                kzfree
> drivers/soc/atmel/soc.c:277:39: error: ‘device_node’ undeclared (first
> use in this function)
>   277 |         struct device_node *np __free(device_node) =
> of_find_node_by_path("/");
>       |                                       ^~~~~~~~~~~
> drivers/soc/atmel/soc.c:277:39: note: each undeclared identifier is
> reported only once for each function it appears in
> drivers/soc/atmel/soc.c:279:51: error: ‘np’ undeclared (first use in
> this function); did you mean ‘nop’?
>   279 |         if (!of_match_node(at91_soc_allowed_list, np))
>       |                                                   ^~
>       |                                                   nop
>   CC      drivers/spi/spidev.o
> cc1: some warnings being treated as errors
> 
> 
> 
> # Builds where the incident occurred:
> 
> ## multi_v7_defconfig(gcc-12):
> - Dashboard: https://staging.dashboard.kernelci.org:9000/build/maestro:67a119e4661a7bc87489b6f5
> 
> ## multi_v5_defconfig(gcc-12):
> - Dashboard: https://staging.dashboard.kernelci.org:9000/build/maestro:67a119e0661a7bc87489b6f2
> 
> ## multi_v7_defconfig(gcc-12):
> - Dashboard: https://staging.dashboard.kernelci.org:9000/build/maestro:67a119d8661a7bc87489b4f0
> 
> 
> #kernelci issue maestro:040dcc33328a47e528c393a656a52b340b4ccc8b

Now fixed for 5.4, 5.10, and 5.15, thanks!

greg k-h