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More correctly use cp_grant_id_t.

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More correctly use vir_bytes.
More correctly use endpoint_t.
This commit is contained in:
Kees van Reeuwijk
2010-03-02 23:12:13 +00:00
parent f3c98fdca2
commit bf7397b64e
9 changed files with 53 additions and 43 deletions
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kernel/system/do_safecopy.c
+10 -4
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@@ -53,9 +53,14 @@ endpoint_t *e_granter; /* new granter (magic grants) */
/* Get granter process slot (if valid), and check range of
* grant id.
*/
if(!isokendpt(granter, &proc_nr) || !GRANT_VALID(grant)) {
if(!isokendpt(granter, &proc_nr) ) {
kprintf(
"grant verify failed: invalid granter or grant\n");
"grant verify failed: invalid granter %d\n", (int) granter);
return(EINVAL);
}
if(!GRANT_VALID(grant)) {
kprintf(
"grant verify failed: invalid grant %d\n", (int) grant);
return(EINVAL);
}
granter_proc = proc_addr(proc_nr);
@@ -348,8 +353,9 @@ PUBLIC int do_safecopy(struct proc * caller, message * m_ptr)
} else minix_panic("Impossible system call nr. ", m_ptr->m_type);
return safecopy(caller, m_ptr->SCP_FROM_TO, caller->p_endpoint,
m_ptr->SCP_GID, src_seg, dst_seg, m_ptr->SCP_BYTES,
m_ptr->SCP_OFFSET, (vir_bytes) m_ptr->SCP_ADDRESS, access);
(cp_grant_id_t) m_ptr->SCP_GID, src_seg, dst_seg,
m_ptr->SCP_BYTES, m_ptr->SCP_OFFSET,
(vir_bytes) m_ptr->SCP_ADDRESS, access);
}
/*===========================================================================*