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authorSebastien Bacher <seb128@ubuntu.com>2020-08-31 11:11:14 +0200
committerSebastien Bacher <seb128@ubuntu.com>2020-08-31 11:11:14 +0200
commitbbb262bfd5200313834db8fb36b7fb20aa0913b5 (patch)
tree70fad3f1f44bb7299dd1f5f376a6b8483a023136 /shared/n-dhcp4/src/n-dhcp4-socket.c
parent6e17a2e7ad9453c0afe34dab0e6768ad8ee447c2 (diff)
parent9d722f3d3492e31c0b3e4bcba603ffd65309c621 (diff)
Merge remote-tracking branch 'salsa/debian/master' into ubuntu/master
Diffstat (limited to 'shared/n-dhcp4/src/n-dhcp4-socket.c')
-rw-r--r--shared/n-dhcp4/src/n-dhcp4-socket.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/shared/n-dhcp4/src/n-dhcp4-socket.c b/shared/n-dhcp4/src/n-dhcp4-socket.c
index c7e89772..7291c780 100644
--- a/shared/n-dhcp4/src/n-dhcp4-socket.c
+++ b/shared/n-dhcp4/src/n-dhcp4-socket.c
@@ -50,8 +50,8 @@ int n_dhcp4_c_socket_packet_new(int *sockfdp, int ifindex) {
                 BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, IPPROTO_UDP, 1, 0),                                         /* IP protocol == UDP ? */
                 BPF_STMT(BPF_RET + BPF_K, 0),                                                                   /* ignore */
 
-                BPF_STMT(BPF_LD + BPF_B + BPF_ABS, offsetof(struct iphdr, frag_off)),                           /* A <- Flags */
-                BPF_STMT(BPF_ALU + BPF_AND + BPF_K, ntohs(IP_MF | IP_OFFMASK)),                                 /* A <- A & (IP_MF | IP_OFFMASK) */
+                BPF_STMT(BPF_LD + BPF_H + BPF_ABS, offsetof(struct iphdr, frag_off)),                           /* A <- Flags + Fragment offset */
+                BPF_STMT(BPF_ALU + BPF_AND + BPF_K, IP_MF | IP_OFFMASK),                                        /* A <- A & (IP_MF | IP_OFFMASK) */
                 BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, 0, 1, 0),                                                   /* fragmented packet ? */
                 BPF_STMT(BPF_RET + BPF_K, 0),                                                                   /* ignore */