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| author | Peter Maydell <peter.maydell@linaro.org> | 2016-06-10 17:09:22 +0100 |
|---|---|---|
| committer | Amit Shah <amit.shah@redhat.com> | 2016-06-17 18:23:49 +0530 |
| commit | 4d885131574ba530e48ef90d5c0ca4dffc9c3759 (patch) | |
| tree | 97505af60b449095609ceee60bc2451628d87193 /migration/migration.c | |
| parent | 4acc8fdfd315f7ee474bea28fcbcc4dca9717d13 (diff) | |
| download | qemu-4d885131574ba530e48ef90d5c0ca4dffc9c3759.tar.gz qemu-4d885131574ba530e48ef90d5c0ca4dffc9c3759.tar.bz2 qemu-4d885131574ba530e48ef90d5c0ca4dffc9c3759.zip | |
migration: Don't use *_to_cpup() and cpu_to_*w()
The *_to_cpup() and cpu_to_*w() functions just compose a pointer
dereference with a byteswap. Instead use ld*_p() and st*_p(),
which handle potential pointer misalignment and avoid the need
to cast the pointer.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Message-Id: <1465574962-2710-1-git-send-email-peter.maydell@linaro.org>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Diffstat (limited to 'migration/migration.c')
| -rw-r--r-- | migration/migration.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/migration/migration.c b/migration/migration.c index 20f88757d8..a56013662d 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1384,7 +1384,7 @@ static void *source_return_path_thread(void *opaque) /* OK, we have the message and the data */ switch (header_type) { case MIG_RP_MSG_SHUT: - sibling_error = be32_to_cpup((uint32_t *)buf); + sibling_error = ldl_be_p(buf); trace_source_return_path_thread_shut(sibling_error); if (sibling_error) { error_report("RP: Sibling indicated error %d", sibling_error); @@ -1398,13 +1398,13 @@ static void *source_return_path_thread(void *opaque) goto out; case MIG_RP_MSG_PONG: - tmp32 = be32_to_cpup((uint32_t *)buf); + tmp32 = ldl_be_p(buf); trace_source_return_path_thread_pong(tmp32); break; case MIG_RP_MSG_REQ_PAGES: - start = be64_to_cpup((uint64_t *)buf); - len = be32_to_cpup((uint32_t *)(buf + 8)); + start = ldq_be_p(buf); + len = ldl_be_p(buf + 8); migrate_handle_rp_req_pages(ms, NULL, start, len); break; @@ -1412,8 +1412,8 @@ static void *source_return_path_thread(void *opaque) expected_len = 12 + 1; /* header + termination */ if (header_len >= expected_len) { - start = be64_to_cpup((uint64_t *)buf); - len = be32_to_cpup((uint32_t *)(buf + 8)); + start = ldq_be_p(buf); + len = ldl_be_p(buf + 8); /* Now we expect an idstr */ tmp32 = buf[12]; /* Length of the following idstr */ buf[13 + tmp32] = '\0'; |