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[dwarves,v4,3/5] btf_encoder: Traverse sections using a for-loop

Message ID 20210217110804.75923-4-gprocida@google.com (mailing list archive)
State Not Applicable
Delegated to: BPF
Headers show
Series ELF writing changes | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Giuliano Procida Feb. 17, 2021, 11:08 a.m. UTC 
The pointer (iterator) scn can be made local to the loop and a more
general while-loop is not needed.

Signed-off-by: Giuliano Procida <gprocida@google.com>
---
 libbtf.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/libbtf.c b/libbtf.c
index ace8896..4ae7150 100644
--- a/libbtf.c
+++ b/libbtf.c
@@ -700,7 +700,6 @@  static int btf_elf__write(const char *filename, struct btf *btf)
 {
 	GElf_Ehdr ehdr;
 	Elf_Data *btf_data = NULL;
-	Elf_Scn *scn = NULL;
 	Elf *elf = NULL;
 	const void *raw_btf_data;
 	uint32_t raw_btf_size;
@@ -748,7 +747,7 @@  static int btf_elf__write(const char *filename, struct btf *btf)
 	 */
 
 	elf_getshdrstrndx(elf, &strndx);
-	while ((scn = elf_nextscn(elf, scn)) != NULL) {
+	for (Elf_Scn *scn = elf_nextscn(elf, NULL); scn; scn = elf_nextscn(elf, scn)) {
 		GElf_Shdr shdr;
 		if (!gelf_getshdr(scn, &shdr))
 			continue;