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add some comments in upf_gtp.c

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Related: SYS#5599
Change-Id: I58f86cd84207a74e078ae4758bbed76bb1595d95
This commit is contained in:
Neels Hofmeyr
2022-07-20 16:31:03 +02:00
parent 0388579be9
commit 77cf6ccf21
1 changed files with 4 additions and 0 deletions
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4
src/osmo-upf/upf_gtp.c
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@@ -96,6 +96,8 @@ static int upf_gtp_dev_delete(struct upf_gtp_dev *dev)
static int upf_gtp_dev_destruct(struct upf_gtp_dev *dev);
/* Allocate state for one GTP device, add to g_upf->gtp.devs and return the created device. If state for the device of
* that name already exists, do nothing and return NULL. */
static struct upf_gtp_dev *upf_gtp_dev_alloc(const char *name, const char *local_addr)
{
struct upf_gtp_dev *dev = upf_gtp_dev_find_by_name(name);
@@ -260,9 +262,11 @@ int upf_gtp_genl_open()
return 0;
}
/* Already open? */
if (g_upf->gtp.nl && g_upf->gtp.genl_id >= 0)
return 0;
/* sanity / paranoia: if re-opening, make sure the previous socket is closed */
if (g_upf->gtp.nl)
upf_gtp_genl_close();