Terminate the serial number variable with null to avoid printing trailing garbage.
Signed-off-by: Beniamino Galvani b.galvani@gmail.com --- arch/arm/mach-meson/sm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-meson/sm.c b/arch/arm/mach-meson/sm.c index 2628591fe6..23eafe87b4 100644 --- a/arch/arm/mach-meson/sm.c +++ b/arch/arm/mach-meson/sm.c @@ -64,7 +64,7 @@ ssize_t meson_sm_read_efuse(uintptr_t offset, void *buffer, size_t size) void meson_init_env_from_efuse(void) { static u8 mac[EFUSE_MAC_SIZE]; - char serial[EFUSE_SN_SIZE]; + char serial[EFUSE_SN_SIZE + 1]; ssize_t len;
if (!eth_env_get_enetaddr("ethaddr", mac)) { @@ -77,7 +77,9 @@ void meson_init_env_from_efuse(void) if (!env_get("serial#")) { len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial, EFUSE_SN_SIZE); - if (len == EFUSE_SN_SIZE) + if (len == EFUSE_SN_SIZE) { + serial[EFUSE_SN_SIZE] = '\0'; env_set("serial#", serial); + } } }