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alpha: replace sprintf()/strcpy() with scnprintf()/strscpy()

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Replace sprintf() with the safer variant scnprintf() and use its return
value instead of calculating the string length again using strlen().

Use strscpy() instead of the deprecated strcpy().

No functional changes intended.

Link: https://github.com/KSPP/linux/issues/88
Link: https://lkml.kernel.org/r/20250521121840.5653-1-thorsten.blum@linux.dev
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: guoweikang <guoweikang.kernel@gmail.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Thorsten Blum
2025-05-21 14:18:38 +02:00
committed by Andrew Morton
parent 85df0d505e
commit 08e2153dd9
1 changed files with 7 additions and 4 deletions
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11
arch/alpha/kernel/core_marvel.c
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@@ -17,6 +17,7 @@
#include <linux/vmalloc.h>
#include <linux/mc146818rtc.h>
#include <linux/rtc.h>
#include <linux/string.h>
#include <linux/module.h>
#include <linux/memblock.h>
@@ -79,10 +80,12 @@ mk_resource_name(int pe, int port, char *str)
{
char tmp[80];
char *name;
sprintf(tmp, "PCI %s PE %d PORT %d", str, pe, port);
name = memblock_alloc_or_panic(strlen(tmp) + 1, SMP_CACHE_BYTES);
strcpy(name, tmp);
size_t sz;
sz = scnprintf(tmp, sizeof(tmp), "PCI %s PE %d PORT %d", str, pe, port);
sz += 1; /* NUL terminator */
name = memblock_alloc_or_panic(sz, SMP_CACHE_BYTES);
strscpy(name, tmp, sz);
return name;
}