fix: check for ext ACK TLVs

checking for Extended ACK in nlmsghdr flags should be done with bitwise AND op instead of OR op Signed-off-by: adrianc <[email protected]>
vishvananda · Nov 12, 2023 · 95ab669 · 95ab669
1 parent aa4f20d
commit 95ab669
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nl/nl_linux.go b/nl/nl_linux.go
@@ -574,7 +574,7 @@ done:
 				err = syscall.Errno(-errno)
 
 				unreadData := m.Data[4:]
-				if m.Header.Flags|unix.NLM_F_ACK_TLVS != 0 && len(unreadData) > syscall.SizeofNlMsghdr {
+				if m.Header.Flags&unix.NLM_F_ACK_TLVS != 0 && len(unreadData) > syscall.SizeofNlMsghdr {
 					// Skip the echoed request message.
 					echoReqH := (*syscall.NlMsghdr)(unsafe.Pointer(&unreadData[0]))
 					unreadData = unreadData[nlmAlignOf(int(echoReqH.Len)):]