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bpf: Replace snprintf("%s") with strscpy 

Replace snprintf("%s") with the faster and more direct strscpy().

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://lore.kernel.org/r/20260201215247.677121-2-thorsten.blum@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
master
Thorsten Blum 2026-02-01 22:52:48 +01:00 committed by Alexei Starovoitov
parent 6b95cc562d
commit d95d76aa77
1 changed files with 3 additions and 2 deletions
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5
kernel/bpf/btf.c
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@ -25,6 +25,7 @@
#include <linux/perf_event.h>
#include <linux/bsearch.h>
#include <linux/kobject.h>
#include <linux/string.h>
#include <linux/sysfs.h>
#include <linux/overflow.h>
@ -6324,7 +6325,7 @@ static struct btf *btf_parse_base(struct btf_verifier_env *env, const char *name
btf->data_size = data_size;
btf->kernel_btf = true;
btf->named_start_id = 0;
snprintf(btf->name, sizeof(btf->name), "%s", name);
strscpy(btf->name, name);
err = btf_parse_hdr(env);
if (err)
@ -6443,7 +6444,7 @@ static struct btf *btf_parse_module(const char *module_name, const void *data,
btf->start_str_off = base_btf->hdr.str_len;
btf->kernel_btf = true;
btf->named_start_id = 0;
snprintf(btf->name, sizeof(btf->name), "%s", module_name);
strscpy(btf->name, module_name);
btf->data = kvmemdup(data, data_size, GFP_KERNEL | __GFP_NOWARN);
if (!btf->data) {