diff options
| author |   Gustavo A. R. Silva <gustavoars@kernel.org> | 2021-08-04 16:18:50 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-08-05 11:46:42 +0100 |
| commit | e6a1f7e0b0fe5997b896b793c70d12fc5ed06cdd (patch) | |
| tree | b58331b1accec36c626b5a27d17a796a7021ac3c /include/linux/igmp.h | |
| parent | net/ipv4/ipv6: Replace one-element arraya with flexible-array members (diff) | |
| download | linux-dev-e6a1f7e0b0fe5997b896b793c70d12fc5ed06cdd.tar.xz linux-dev-e6a1f7e0b0fe5997b896b793c70d12fc5ed06cdd.zip | |
net/ipv4/igmp: Use struct_size() helper
Replace IP_SFLSIZE() with struct_size() helper in order to avoid any
potential type mistakes or integer overflows that, in the worst
scenario, could lead to heap overflows.
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/igmp.h')
| -rw-r--r-- | include/linux/igmp.h | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/include/linux/igmp.h b/include/linux/igmp.h index 64ce8cd1cfaf..93c262ecbdc9 100644 --- a/include/linux/igmp.h +++ b/include/linux/igmp.h @@ -41,9 +41,6 @@ struct ip_sf_socklist { __be32 sl_addr[]; }; -#define IP_SFLSIZE(count) (sizeof(struct ip_sf_socklist) + \ - (count) * sizeof(__be32)) - #define IP_SFBLOCK 10 /* allocate this many at once */ /* ip_mc_socklist is real list now. Speed is not argument; |