errno is checked following fread of the preshared key file. fread doesn't set errno, so it shouldn't be checked. On the EdgeRouter ER-X when wg uses glibc instead of musl libc this incorrect check causes removal of preshared keys to fail. This patch removes the check of errno.

---

src/tools/config.c | 4 ----

1 file changed, 4 deletions(-)

diff --git a/src/tools/config.c b/src/tools/config.c

index 5ab6ece..0407b36 100644

--- a/src/tools/config.c

+++ b/src/tools/config.c

@@ -128,10 +128,6 @@ static bool parse_keyfile(uint8_t key[static WG_KEY_LEN], const char *path)

}

if (fread(dst, WG_KEY_LEN_BASE64 - 1, 1, f) != 1) {

- if (errno) {

- perror("fread");

- goto out;

- }

/* If we're at the end and we didn't read anything, we're /dev/null or an empty file. */

if (!ferror(f) && feof(f) && !ftell(f)) {

memset(key, 0, WG_KEY_LEN);

2.16.1