diff options
| author | John Johansen <john.johansen@canonical.com> | 2017-01-16 09:43:13 +0100 |
|---|---|---|
| committer | John Johansen <john.johansen@canonical.com> | 2017-01-16 10:18:54 +0100 |
| commit | e6e8bf418850d7958311a96ccfb594f2bcc8313e (patch) | |
| tree | 5640a0e0d47784f640ed68408c5a991c95b3cbc1 | |
| parent | apparmor: add check for apparmor enabled in module parameters missing it (diff) | |
| download | linux-e6e8bf418850d7958311a96ccfb594f2bcc8313e.tar.xz linux-e6e8bf418850d7958311a96ccfb594f2bcc8313e.zip | |
apparmor: fix restricted endian type warnings for dfa unpack
Signed-off-by: John Johansen <john.johansen@canonical.com>
| -rw-r--r-- | security/apparmor/include/match.h | 6 | ||||
| -rw-r--r-- | security/apparmor/match.c | 18 |
2 files changed, 12 insertions, 12 deletions
diff --git a/security/apparmor/include/match.h b/security/apparmor/include/match.h index a85bb3b1836c..add4c6726558 100644 --- a/security/apparmor/include/match.h +++ b/security/apparmor/include/match.h @@ -104,11 +104,11 @@ extern struct aa_dfa *nulldfa; #define byte_to_byte(X) (X) -#define UNPACK_ARRAY(TABLE, BLOB, LEN, TYPE, NTOHX) \ +#define UNPACK_ARRAY(TABLE, BLOB, LEN, TTYPE, BTYPE, NTOHX) \ do { \ typeof(LEN) __i; \ - TYPE *__t = (TYPE *) TABLE; \ - TYPE *__b = (TYPE *) BLOB; \ + TTYPE *__t = (TTYPE *) TABLE; \ + BTYPE *__b = (BTYPE *) BLOB; \ for (__i = 0; __i < LEN; __i++) { \ __t[__i] = NTOHX(__b[__i]); \ } \ diff --git a/security/apparmor/match.c b/security/apparmor/match.c index 8f0806b35a75..eb0efef746f5 100644 --- a/security/apparmor/match.c +++ b/security/apparmor/match.c @@ -73,11 +73,11 @@ static struct table_header *unpack_table(char *blob, size_t bsize) /* loaded td_id's start at 1, subtract 1 now to avoid doing * it every time we use td_id as an index */ - th.td_id = be16_to_cpu(*(u16 *) (blob)) - 1; + th.td_id = be16_to_cpu(*(__be16 *) (blob)) - 1; if (th.td_id > YYTD_ID_MAX) goto out; - th.td_flags = be16_to_cpu(*(u16 *) (blob + 2)); - th.td_lolen = be32_to_cpu(*(u32 *) (blob + 8)); + th.td_flags = be16_to_cpu(*(__be16 *) (blob + 2)); + th.td_lolen = be32_to_cpu(*(__be32 *) (blob + 8)); blob += sizeof(struct table_header); if (!(th.td_flags == YYTD_DATA16 || th.td_flags == YYTD_DATA32 || @@ -95,13 +95,13 @@ static struct table_header *unpack_table(char *blob, size_t bsize) table->td_lolen = th.td_lolen; if (th.td_flags == YYTD_DATA8) UNPACK_ARRAY(table->td_data, blob, th.td_lolen, - u8, byte_to_byte); + u8, u8, byte_to_byte); else if (th.td_flags == YYTD_DATA16) UNPACK_ARRAY(table->td_data, blob, th.td_lolen, - u16, be16_to_cpu); + u16, __be16, be16_to_cpu); else if (th.td_flags == YYTD_DATA32) UNPACK_ARRAY(table->td_data, blob, th.td_lolen, - u32, be32_to_cpu); + u32, __be32, be32_to_cpu); else goto fail; /* if table was vmalloced make sure the page tables are synced @@ -249,14 +249,14 @@ struct aa_dfa *aa_dfa_unpack(void *blob, size_t size, int flags) if (size < sizeof(struct table_set_header)) goto fail; - if (ntohl(*(u32 *) data) != YYTH_MAGIC) + if (ntohl(*(__be32 *) data) != YYTH_MAGIC) goto fail; - hsize = ntohl(*(u32 *) (data + 4)); + hsize = ntohl(*(__be32 *) (data + 4)); if (size < hsize) goto fail; - dfa->flags = ntohs(*(u16 *) (data + 12)); + dfa->flags = ntohs(*(__be16 *) (data + 12)); data += hsize; size -= hsize; |