diff options
Diffstat (limited to 'sys/compat/linux/linux_socket.c')
| -rw-r--r-- | sys/compat/linux/linux_socket.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c index 539d153431c4..0e07b0a60ced 100644 --- a/sys/compat/linux/linux_socket.c +++ b/sys/compat/linux/linux_socket.c @@ -2179,6 +2179,7 @@ static int linux_getsockopt_so_peergroups(struct thread *td, struct linux_getsockopt_args *args) { + l_gid_t *out = PTRIN(args->optval); struct xucred xu; socklen_t xulen, len; int error, i; @@ -2197,13 +2198,12 @@ linux_getsockopt_so_peergroups(struct thread *td, return (error); } - /* - * "- 1" to skip the primary group. - */ + /* "- 1" to skip the primary group. */ for (i = 0; i < xu.cr_ngroups - 1; i++) { - error = copyout(xu.cr_groups + i + 1, - (void *)(args->optval + i * sizeof(l_gid_t)), - sizeof(l_gid_t)); + /* Copy to cope with a possible type discrepancy. */ + const l_gid_t g = xu.cr_groups[i + 1]; + + error = copyout(&g, out + i, sizeof(l_gid_t)); if (error != 0) return (error); } |