All right. The following is against 2.5.64, compiles and reduces the
worst stack offender to 0x190 bytes. It is untested though, I don't
have any hardware for it.
Jörn
-- "Translations are and will always be problematic. They inflict violence upon two languages." (translation from German)--- linux-2.5.64/drivers/message/i2o/i2o_proc.c Mon Feb 24 20:05:35 2003 +++ linux-2.5.64-i2o/drivers/message/i2o/i2o_proc.c Wed Mar 12 17:09:26 2003 @@ -836,29 +836,33 @@ u16 row_count; u16 more_flag; i2o_exec_execute_ddm_table ddm_table[MAX_I2O_MODULES]; - } result; + } *result; i2o_exec_execute_ddm_table ddm_table; spin_lock(&i2o_proc_lock); len = 0; + result = kmalloc(sizeof(*result), GFP_KERNEL); + if(!result) + return -ENOMEM; + token = i2o_query_table(I2O_PARAMS_TABLE_GET, c, ADAPTER_TID, 0x0003, -1, NULL, 0, - &result, sizeof(result)); + result, sizeof(*result)); if (token < 0) { len += i2o_report_query_status(buf+len, token,"0x0003 Executing DDM List"); spin_unlock(&i2o_proc_lock); - return len; + goto out; } len += sprintf(buf+len, "Tid Module_type Vendor Mod_id Module_name Vrs Data_size Code_size\n"); - ddm_table=result.ddm_table[0]; + ddm_table=result->ddm_table[0]; - for(i=0; i < result.row_count; ddm_table=result.ddm_table[++i]) + for(i=0; i < result->row_count; ddm_table=result->ddm_table[++i]) { len += sprintf(buf+len, "0x%03x ", ddm_table.ddm_tid & 0xFFF); @@ -884,7 +888,8 @@ } spin_unlock(&i2o_proc_lock); - +out: + kfree(result); return len; } @@ -1047,32 +1052,36 @@ u16 row_count; u16 more_flag; i2o_group_info group[256]; - } result; + } *result; spin_lock(&i2o_proc_lock); + result = kmalloc(sizeof(*result), GFP_KERNEL); + if(!result) + return -ENOMEM; + len = 0; token = i2o_query_table(I2O_PARAMS_TABLE_GET, d->controller, d->lct_data.tid, 0xF000, -1, NULL, 0, - &result, sizeof(result)); + result, sizeof(*result)); if (token < 0) { len = i2o_report_query_status(buf+len, token, "0xF000 Params Descriptor"); spin_unlock(&i2o_proc_lock); - return len; + goto out; } len += sprintf(buf+len, "# Group FieldCount RowCount Type Add Del Clear\n"); - for (i=0; i < result.row_count; i++) + for (i=0; i < result->row_count; i++) { len += sprintf(buf+len, "%-3d", i); - len += sprintf(buf+len, "0x%04X ", result.group[i].group_number); - len += sprintf(buf+len, "%10d ", result.group[i].field_count); - len += sprintf(buf+len, "%8d ", result.group[i].row_count); + len += sprintf(buf+len, "0x%04X ", result->group[i].group_number); + len += sprintf(buf+len, "%10d ", result->group[i].field_count); + len += sprintf(buf+len, "%8d ", result->group[i].row_count); - properties = result.group[i].properties; + properties = result->group[i].properties; if (properties & 0x1) len += sprintf(buf+len, "Table "); else len += sprintf(buf+len, "Scalar "); if (properties & 0x2) len += sprintf(buf+len, " + "); @@ -1085,11 +1094,12 @@ len += sprintf(buf+len, "\n"); } - if (result.more_flag) + if (result->more_flag) len += sprintf(buf+len, "There is more...\n"); spin_unlock(&i2o_proc_lock); - +out: + kfree(result); return len; } @@ -1220,36 +1230,42 @@ u16 row_count; u16 more_flag; i2o_user_table user[64]; - } result; + } *result; spin_lock(&i2o_proc_lock); len = 0; + result = kmalloc(sizeof(*result), GFP_KERNEL); + if(!result) + return -ENOMEM; + token = i2o_query_table(I2O_PARAMS_TABLE_GET, d->controller, d->lct_data.tid, 0xF003, -1, NULL, 0, - &result, sizeof(result)); + result, sizeof(*result)); if (token < 0) { len += i2o_report_query_status(buf+len, token,"0xF003 User Table"); spin_unlock(&i2o_proc_lock); - return len; + goto out; } len += sprintf(buf+len, "# Instance UserTid ClaimType\n"); - for(i=0; i < result.row_count; i++) + for(i=0; i < result->row_count; i++) { len += sprintf(buf+len, "%-3d", i); - len += sprintf(buf+len, "%#8x ", result.user[i].instance); - len += sprintf(buf+len, "%#7x ", result.user[i].user_tid); - len += sprintf(buf+len, "%#9x\n", result.user[i].claim_type); + len += sprintf(buf+len, "%#8x ", result->user[i].instance); + len += sprintf(buf+len, "%#7x ", result->user[i].user_tid); + len += sprintf(buf+len, "%#9x\n", result->user[i].claim_type); } - if (result.more_flag) + if (result->more_flag) len += sprintf(buf+len, "There is more...\n"); spin_unlock(&i2o_proc_lock); +out: + kfree(result); return len; } @@ -2264,24 +2280,28 @@ u16 row_count; u16 more_flag; u8 mc_addr[256][8]; - } result; + } *result; spin_lock(&i2o_proc_lock); len = 0; + result = kmalloc(sizeof(*result), GFP_KERNEL); + if(!result) + return -ENOMEM; + token = i2o_query_table(I2O_PARAMS_TABLE_GET, d->controller, d->lct_data.tid, 0x0002, -1, - NULL, 0, &result, sizeof(result)); + NULL, 0, result, sizeof(*result)); if (token < 0) { len += i2o_report_query_status(buf+len, token,"0x002 LAN Multicast MAC Address"); spin_unlock(&i2o_proc_lock); - return len; + goto out; } - for (i = 0; i < result.row_count; i++) + for (i = 0; i < result->row_count; i++) { - memcpy(mc_addr, result.mc_addr[i], 8); + memcpy(mc_addr, result->mc_addr[i], 8); len += sprintf(buf+len, "MC MAC address[%d]: " "%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n", @@ -2291,6 +2311,8 @@ } spin_unlock(&i2o_proc_lock); +out: + kfree(result); return len; } @@ -2495,24 +2517,28 @@ u16 row_count; u16 more_flag; u8 alt_addr[256][8]; - } result; + } *result; spin_lock(&i2o_proc_lock); len = 0; + result = kmalloc(sizeof(*result), GFP_KERNEL); + if(!result) + return -ENOMEM; + token = i2o_query_table(I2O_PARAMS_TABLE_GET, d->controller, d->lct_data.tid, - 0x0006, -1, NULL, 0, &result, sizeof(result)); + 0x0006, -1, NULL, 0, result, sizeof(*result)); if (token < 0) { len += i2o_report_query_status(buf+len, token, "0x0006 LAN Alternate Address (optional)"); spin_unlock(&i2o_proc_lock); - return len; + goto out; } - for (i=0; i < result.row_count; i++) + for (i=0; i < result->row_count; i++) { - memcpy(alt_addr,result.alt_addr[i],8); + memcpy(alt_addr,result->alt_addr[i],8); len += sprintf(buf+len, "Alternate address[%d]: " "%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n", i, alt_addr[0], alt_addr[1], alt_addr[2], @@ -2521,6 +2547,8 @@ } spin_unlock(&i2o_proc_lock); +out: + kfree(result); return len; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/