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authorSusant Sahani <susant@redhat.com>2016-09-02 16:06:58 +0530
committerSusant Sahani <susant@redhat.com>2016-09-02 16:06:58 +0530
commita9dee27f0d1bcbb7a8b52bfee45bc6d8ba901d17 (patch)
tree588bae5c58078d1acd35d0c0adca087606d8aae6
parent07b0b339d6a818fd7aa71beecba8ffbd36d59a8f (diff)
fix #4080
ethtool_sset_info adding some extra space to it. also fix valgrind warning ``` Unloaded link configuration context. ==31690== ==31690== HEAP SUMMARY: ==31690== in use at exit: 8,192 bytes in 2 blocks ==31690== total heap usage: 431 allocs, 429 frees, 321,164 bytes allocated ==31690== ==31690== 4,096 bytes in 1 blocks are still reachable in loss record 1 of 2 ==31690== at 0x4C2BBAD: malloc (vg_replace_malloc.c:299) ==31690== by 0x166B32: mempool_alloc_tile (mempool.c:62) ==31690== by 0x166BBC: mempool_alloc0_tile (mempool.c:81) ==31690== by 0x15B8FC: hashmap_base_new (hashmap.c:732) ==31690== by 0x15B9F7: internal_hashmap_new (hashmap.c:766) ==31690== by 0x151291: conf_files_list_strv_internal (conf-files.c:103) ==31690== by 0x1514BA: conf_files_list_strv (conf-files.c:135) ==31690== by 0x13A1CF: link_config_load (link-config.c:227) ==31690== by 0x135B68: builtin_net_setup_link_init (udev-builtin-net_setup_link.c:77) ==31690== by 0x1306B3: udev_builtin_init (udev-builtin.c:57) ==31690== by 0x11E984: adm_builtin (udevadm-test-builtin.c:72) ==31690== by 0x117B4D: run_command (udevadm.c:75) ``` Fixes #4080
-rw-r--r--src/udev/net/ethtool-util.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/src/udev/net/ethtool-util.c b/src/udev/net/ethtool-util.c
index 19c69a98b1..b1aa0223fd 100644
--- a/src/udev/net/ethtool-util.c
+++ b/src/udev/net/ethtool-util.c
@@ -217,24 +217,28 @@ int ethtool_set_wol(int *fd, const char *ifname, WakeOnLan wol) {
static int ethtool_get_stringset(int *fd, struct ifreq *ifr, int stringset_id, struct ethtool_gstrings **gstrings) {
_cleanup_free_ struct ethtool_gstrings *strings = NULL;
- struct ethtool_sset_info info = {
- .cmd = ETHTOOL_GSSET_INFO,
- .reserved = 0,
- .sset_mask = 1ULL << stringset_id,
+ struct {
+ struct ethtool_sset_info info;
+ uint32_t space;
+ } buffer = {
+ .info = {
+ .cmd = ETHTOOL_GSSET_INFO,
+ .sset_mask = UINT64_C(1) << stringset_id,
+ },
};
unsigned len;
int r;
- ifr->ifr_data = (void *) &info;
+ ifr->ifr_data = (void *) &buffer.info;
r = ioctl(*fd, SIOCETHTOOL, ifr);
if (r < 0)
return -errno;
- if (!info.sset_mask)
+ if (!buffer.info.sset_mask)
return -EINVAL;
- len = info.data[0];
+ len = buffer.info.data[0];
strings = malloc0(sizeof(struct ethtool_gstrings) + len * ETH_GSTRING_LEN);
if (!strings)
@@ -271,7 +275,7 @@ int ethtool_set_features(int *fd, const char *ifname, NetDevFeature *features) {
_cleanup_free_ struct ethtool_gstrings *strings = NULL;
struct ethtool_sfeatures *sfeatures;
int block, bit, i, r;
- struct ifreq ifr;
+ struct ifreq ifr = {};
if (*fd < 0) {
r = ethtool_connect(fd);