diff options
| -rw-r--r-- | net/ipv4/cipso_ipv4.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index fc839f9148ec..ab56a052ce31 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -45,6 +45,7 @@ #include <net/cipso_ipv4.h> #include <asm/atomic.h> #include <asm/bug.h> +#include <asm/unaligned.h> struct cipso_v4_domhsh_entry { char *domain; @@ -1000,7 +1001,7 @@ static int cipso_v4_map_cat_enum_valid(const struct cipso_v4_doi *doi_def, return -EFAULT; for (iter = 0; iter < enumcat_len; iter += 2) { - cat = ntohs(*((__be16 *)&enumcat[iter])); + cat = ntohs(get_unaligned((__be16 *)&enumcat[iter])); if (cat <= cat_prev) return -EFAULT; cat_prev = cat; @@ -1068,8 +1069,8 @@ static int cipso_v4_map_cat_enum_ntoh(const struct cipso_v4_doi *doi_def, for (iter = 0; iter < net_cat_len; iter += 2) { ret_val = netlbl_secattr_catmap_setbit(secattr->mls_cat, - ntohs(*((__be16 *)&net_cat[iter])), - GFP_ATOMIC); + ntohs(get_unaligned((__be16 *)&net_cat[iter])), + GFP_ATOMIC); if (ret_val != 0) return ret_val; } @@ -1102,9 +1103,10 @@ static int cipso_v4_map_cat_rng_valid(const struct cipso_v4_doi *doi_def, return -EFAULT; for (iter = 0; iter < rngcat_len; iter += 4) { - cat_high = ntohs(*((__be16 *)&rngcat[iter])); + cat_high = ntohs(get_unaligned((__be16 *)&rngcat[iter])); if ((iter + 4) <= rngcat_len) - cat_low = ntohs(*((__be16 *)&rngcat[iter + 2])); + cat_low = ntohs( + get_unaligned((__be16 *)&rngcat[iter + 2])); else cat_low = 0; @@ -1201,9 +1203,10 @@ static int cipso_v4_map_cat_rng_ntoh(const struct cipso_v4_doi *doi_def, u16 cat_high; for (net_iter = 0; net_iter < net_cat_len; net_iter += 4) { - cat_high = ntohs(*((__be16 *)&net_cat[net_iter])); + cat_high = ntohs(get_unaligned((__be16 *)&net_cat[net_iter])); if ((net_iter + 4) <= net_cat_len) - cat_low = ntohs(*((__be16 *)&net_cat[net_iter + 2])); + cat_low = ntohs( + get_unaligned((__be16 *)&net_cat[net_iter + 2])); else cat_low = 0; @@ -1565,7 +1568,7 @@ int cipso_v4_validate(unsigned char **option) } rcu_read_lock(); - doi_def = cipso_v4_doi_search(ntohl(*((__be32 *)&opt[2]))); + doi_def = cipso_v4_doi_search(ntohl(get_unaligned((__be32 *)&opt[2]))); if (doi_def == NULL) { err_offset = 2; goto validate_return_locked; @@ -1856,7 +1859,7 @@ int cipso_v4_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr) if (ret_val == 0) return ret_val; - doi = ntohl(*(__be32 *)&cipso_ptr[2]); + doi = ntohl(get_unaligned((__be32 *)&cipso_ptr[2])); rcu_read_lock(); doi_def = cipso_v4_doi_search(doi); if (doi_def == NULL) { @@ -1911,7 +1914,7 @@ int cipso_v4_skbuff_getattr(const struct sk_buff *skb, if (cipso_v4_cache_check(cipso_ptr, cipso_ptr[1], secattr) == 0) return 0; - doi = ntohl(*(__be32 *)&cipso_ptr[2]); + doi = ntohl(get_unaligned((__be32 *)&cipso_ptr[2])); rcu_read_lock(); doi_def = cipso_v4_doi_search(doi); if (doi_def == NULL) |