kernel: more diagnostics for privctl ENOMEM conditions.

diff --git a/kernel/system/do_privctl.c b/kernel/system/do_privctl.c
index 21544862da5a71464e563cbff3832a4d4824e021..ce4ca6c8d48ba2bd9bdb8f5a21be82854c4c287b 100644 (file)
--- a/kernel/system/do_privctl.c
+++ b/kernel/system/do_privctl.c
@@ -233,8 +233,11 @@ PUBLIC int do_privctl(struct proc * caller, message * m_ptr)
                KERNEL, (vir_bytes) &io_range, sizeof(io_range));
        priv(rp)->s_flags |= CHECK_IO_PORT;     /* Check I/O accesses */
        i= priv(rp)->s_nr_io_range;
-       if (i >= NR_IO_RANGE)
+       if (i >= NR_IO_RANGE) {
+               printf("do_privctl: %d already has %d i/o ranges.\n",
+                       rp->p_endpoint, i);
                return ENOMEM;
+       }
 
        priv(rp)->s_io_tab[i].ior_base= io_range.ior_base;
        priv(rp)->s_io_tab[i].ior_limit= io_range.ior_limit;
@@ -256,8 +259,11 @@ PUBLIC int do_privctl(struct proc * caller, message * m_ptr)
                return r;
        priv(rp)->s_flags |= CHECK_MEM; /* Check memory mappings */
        i= priv(rp)->s_nr_mem_range;
-       if (i >= NR_MEM_RANGE)
+       if (i >= NR_MEM_RANGE) {
+               printf("do_privctl: %d already has %d mem ranges.\n",
+                       rp->p_endpoint, i);
                return ENOMEM;
+       }
 
        priv(rp)->s_mem_tab[i].mr_base= mem_range.mr_base;
        priv(rp)->s_mem_tab[i].mr_limit= mem_range.mr_limit;
@@ -278,8 +284,11 @@ PUBLIC int do_privctl(struct proc * caller, message * m_ptr)
        priv(rp)->s_flags |= CHECK_IRQ; /* Check IRQs */
 
        i= priv(rp)->s_nr_irq;
-       if (i >= NR_IRQ)
+       if (i >= NR_IRQ) {
+               printf("do_privctl: %d already has %d irq's.\n",
+                       rp->p_endpoint, i);
                return ENOMEM;
+       }
        priv(rp)->s_irq_tab[i]= irq;
        priv(rp)->s_nr_irq++;