Check this at home. (#9744)

cecille · web-flow · commit 84e6e1a51c8b · 2021-09-16T10:01:17.000-07:00
diff --git a/src/platform/Linux/MdnsImpl.cpp b/src/platform/Linux/MdnsImpl.cpp
@@ -512,8 +512,10 @@ CHIP_ERROR MdnsAvahi::PublishService(const MdnsService & service)
 CHIP_ERROR MdnsAvahi::StopPublish()
 {
     CHIP_ERROR error = CHIP_NO_ERROR;
-
-    VerifyOrExit(avahi_entry_group_reset(mGroup) == 0, error = CHIP_ERROR_INTERNAL);
+    mPublishedServices.clear();
+    if (mGroup) {
+        VerifyOrExit(avahi_entry_group_reset(mGroup) == 0, error = CHIP_ERROR_INTERNAL);
+    }
 exit:
     return error;
 }

Original file line number	Diff line number	Diff line change
`@@ -512,8 +512,10 @@ CHIP_ERROR MdnsAvahi::PublishService(const MdnsService & service)`
`512`	`512`	`CHIP_ERROR MdnsAvahi::StopPublish()`
`513`	`513`	`{`
`514`	`514`	`CHIP_ERROR error = CHIP_NO_ERROR;`
`515`		`-`
`516`		`- VerifyOrExit(avahi_entry_group_reset(mGroup) == 0, error = CHIP_ERROR_INTERNAL);`
	`515`	`+ mPublishedServices.clear();`
	`516`	`+ if (mGroup) {`
	`517`	`+ VerifyOrExit(avahi_entry_group_reset(mGroup) == 0, error = CHIP_ERROR_INTERNAL);`
	`518`	`+ }`
`517`	`519`	`exit:`
`518`	`520`	`return error;`
`519`	`521`	`}`