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kernel: more diagnostics for privctl ENOMEM conditions.

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This commit is contained in:
Ben Gras 2010-04-29 08:50:52 +00:00
parent 4ac5eb7832
commit 4e837dcfb3
1 changed files with 12 additions and 3 deletions
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15
kernel/system/do_privctl.c
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@ -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++;