Commit d95d76aa authored by Thorsten Blum's avatar Thorsten Blum Committed by Alexei Starovoitov
Browse files

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



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

Signed-off-by: default avatarThorsten Blum <thorsten.blum@linux.dev>
Link: https://lore.kernel.org/r/20260201215247.677121-2-thorsten.blum@linux.dev


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 6b95cc56

kernel/bpf/btf.c

+3 −2
Original line number Diff line number Diff line
@@ -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) {