linux-next: build warning after merge of the sound tree

Stephen Rothwell
2024-09-02T03:29:07Z

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Hi all,

After merging the sound tree, today's linux-next build (arm
multi_v7_defconfig) produced this warning:

In file included from include/asm-generic/bug.h:22,
from arch/arm/include/asm/bug.h:60,
from include/linux/bug.h:5,
from include/linux/io.h:12,
from sound/core/pcm_memory.c:7:
sound/core/pcm_memory.c: In function 'snd_pcm_lib_preallocate_proc_write':
include/linux/kern_levels.h:5:25: warning: format '%zu' expects argument of type 'size_t', but argument 7 has type 'long unsigned int' [-Wformat=]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/printk.h:135:25: note: in definition of macro 'no_printk'
135 | _printk(fmt, ##__VA_ARGS__); \
| ^~~
include/linux/kern_levels.h:15:25: note: in expansion of macro 'KERN_SOH'
15 | #define KERN_DEBUG KERN_SOH "7" /* debug-level messages */
| ^~~~~~~~
include/linux/printk.h:620:19: note: in expansion of macro 'KERN_DEBUG'
620 | no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~
sound/core/pcm_memory.c:215:33: note: in expansion of macro 'pr_debug'
215 | pr_debug("ALSA pcmC%dD%d%c,%d:%s: cannot preallocate for size %zu\n",
| ^~~~~~~~

Introduced by commit

43b42ed438bf ("ALSA: pcm: Fix the previous conversion to kstrtoul()")