ggsn: make sure ipcp_option_hdr and and ipcp_hdr are packed

struct ipcp_option_hdr and struct ipcp_hdr are not declared as
packed explicitly, but they are used to parse memory blobs by
casting pointers.  Add __attribute__((packed)) to ensure that
those structs are stored packed.

Change-Id: I14e10bb3ce482347b3f0c4d3a75168a55df15f20
Related: OS#3288
This commit is contained in:
Philipp Maier 2018-05-28 17:50:09 +02:00
parent 0d95ca59f9
commit 6a2856bab5
1 changed files with 2 additions and 2 deletions

View File

@ -403,14 +403,14 @@ struct ipcp_option_hdr {
uint8_t type;
uint8_t len;
uint8_t data[0];
};
} __attribute__ ((packed));
struct ipcp_hdr {
uint8_t code;
uint8_t id;
uint16_t len;
uint8_t options[0];
};
} __attribute__ ((packed));
/* determine if IPCP contains given option */
static struct ipcp_option_hdr *ipcp_contains_option(struct ipcp_hdr *ipcp, enum ipcp_options opt)