linux-imx
Public
Source
committed 8c81ddd2acd81
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memcpy(&ipc_table, table, sizeof(ipc_table));83
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ipc_table.data = &dummy;84
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if (write)86
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pr_info_once("writing to auto_msgmni has no effect");87
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return proc_dointvec_minmax(&ipc_table, write, buffer, lenp, ppos);89
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}90
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static int proc_ipc_sem_dointvec(struct ctl_table *table, int write,92
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void __user *buffer, size_t *lenp, loff_t *ppos)93
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{94
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int ret, semmni;95
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struct ipc_namespace *ns = current->nsproxy->ipc_ns;96
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semmni = ns->sem_ctls[3];98
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ret = proc_ipc_dointvec(table, write, buffer, lenp, ppos);99
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if (!ret)101
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ret = sem_check_semmni(current->nsproxy->ipc_ns);102
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/*104
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* Reset the semmni value if an error happens.105
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*/106
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if (ret)107
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ns->sem_ctls[3] = semmni;108
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return ret;109
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}110
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#else92
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#define proc_ipc_doulongvec_minmax NULL93
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#define proc_ipc_dointvec NULL94
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#define proc_ipc_dointvec_minmax NULL95
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#define proc_ipc_dointvec_minmax_orphans NULL96
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#define proc_ipc_auto_msgmni NULL117
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#define proc_ipc_sem_dointvec NULL97
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#endif98
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static int zero;100
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static int one = 1;101
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static int int_max = INT_MAX;102
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static int ipc_mni = IPCMNI;103
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static struct ctl_table ipc_kern_table[] = {105
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{106
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.procname = "shmmax",168
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.mode = 0644,169
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.proc_handler = proc_ipc_dointvec_minmax,170
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.extra1 = &zero,171
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.extra2 = &int_max,172
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},173
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{174
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.procname = "sem",175
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.data = &init_ipc_ns.sem_ctls,176
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.maxlen = 4*sizeof(int),177
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.mode = 0644,178
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.proc_handler = proc_ipc_dointvec,199
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.proc_handler = proc_ipc_sem_dointvec,179
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},180
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#ifdef CONFIG_CHECKPOINT_RESTORE181
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{182
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.procname = "sem_next_id",183
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.data = &init_ipc_ns.ids[IPC_SEM_IDS].next_id,184
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.maxlen = sizeof(init_ipc_ns.ids[IPC_SEM_IDS].next_id),185
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.mode = 0644,186
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.proc_handler = proc_ipc_dointvec_minmax,187
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.extra1 = &zero,188
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.extra2 = &int_max,