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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-08-13 15:39:10 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-08-13 15:39:10 -0400
commit0980bd9cd32de2fef7eaa2858345c49d14498625 (patch)
tree41f5f823d0569a81b22037e79c22d823933a63f1 /net/tipc/config.c
parent78821b2c0299ab807d483802f09897728b93bce0 (diff)
parent0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (diff)
Merge commit 'v3.6-rc1' into linux-next
* commit 'v3.6-rc1': (9532 commits) Linux 3.6-rc1 mm: remove node_start_pfn checking in new WARN_ON for now ARM: mmp: add missing irqs.h arm: mvebu: fix typo in .dtsi comment for Armada XP SoCs ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumes libceph: fix crypto key null deref, memory leak ceph: simplify+fix atomic_open sh: explicitly include sh_dma.h in setup-sh7722.c um: Add arch/x86/um to MAINTAINERS um: pass siginfo to guest process um: fix ubd_file_size for read-only files md/dm-raid: DM_RAID should select MD_RAID10 md/raid1: submit IO from originating thread instead of md thread. raid5: raid5d handle stripe in batch way raid5: make_request use batch stripe release um: pull interrupt_end() into userspace() um: split syscall_trace(), pass pt_regs to it um: switch UPT_SET_RETURN_VALUE and regs_return_value to pt_regs MIPS: Loongson 2: Sort out clock managment. locks: remove unused lm_release_private ...
Diffstat (limited to 'net/tipc/config.c')
-rw-r--r--net/tipc/config.c41
1 files changed, 23 insertions, 18 deletions
diff --git a/net/tipc/config.c b/net/tipc/config.c
index c5712a34381..a056a3852f7 100644
--- a/net/tipc/config.c
+++ b/net/tipc/config.c
@@ -39,6 +39,8 @@
#include "name_table.h"
#include "config.h"
+#define REPLY_TRUNCATED "<truncated>\n"
+
static u32 config_port_ref;
static DEFINE_SPINLOCK(config_lock);
@@ -104,13 +106,12 @@ struct sk_buff *tipc_cfg_reply_string_type(u16 tlv_type, char *string)
return buf;
}
-#define MAX_STATS_INFO 2000
-
static struct sk_buff *tipc_show_stats(void)
{
struct sk_buff *buf;
struct tlv_desc *rep_tlv;
- struct print_buf pb;
+ char *pb;
+ int pb_len;
int str_len;
u32 value;
@@ -121,17 +122,16 @@ static struct sk_buff *tipc_show_stats(void)
if (value != 0)
return tipc_cfg_reply_error_string("unsupported argument");
- buf = tipc_cfg_reply_alloc(TLV_SPACE(MAX_STATS_INFO));
+ buf = tipc_cfg_reply_alloc(TLV_SPACE(ULTRA_STRING_MAX_LEN));
if (buf == NULL)
return NULL;
rep_tlv = (struct tlv_desc *)buf->data;
- tipc_printbuf_init(&pb, (char *)TLV_DATA(rep_tlv), MAX_STATS_INFO);
-
- tipc_printf(&pb, "TIPC version " TIPC_MOD_VER "\n");
+ pb = TLV_DATA(rep_tlv);
+ pb_len = ULTRA_STRING_MAX_LEN;
- /* Use additional tipc_printf()'s to return more info ... */
- str_len = tipc_printbuf_validate(&pb);
+ str_len = tipc_snprintf(pb, pb_len, "TIPC version " TIPC_MOD_VER "\n");
+ str_len += 1; /* for "\0" */
skb_put(buf, TLV_SPACE(str_len));
TLV_SET(rep_tlv, TIPC_TLV_ULTRA_STRING, NULL, str_len);
@@ -334,12 +334,6 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
case TIPC_CMD_SHOW_PORTS:
rep_tlv_buf = tipc_port_get_ports();
break;
- case TIPC_CMD_SET_LOG_SIZE:
- rep_tlv_buf = tipc_log_resize_cmd(req_tlv_area, req_tlv_space);
- break;
- case TIPC_CMD_DUMP_LOG:
- rep_tlv_buf = tipc_log_dump();
- break;
case TIPC_CMD_SHOW_STATS:
rep_tlv_buf = tipc_show_stats();
break;
@@ -399,6 +393,8 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
case TIPC_CMD_GET_MAX_CLUSTERS:
case TIPC_CMD_SET_MAX_NODES:
case TIPC_CMD_GET_MAX_NODES:
+ case TIPC_CMD_SET_LOG_SIZE:
+ case TIPC_CMD_DUMP_LOG:
rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED
" (obsolete command)");
break;
@@ -408,6 +404,15 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
break;
}
+ WARN_ON(rep_tlv_buf->len > TLV_SPACE(ULTRA_STRING_MAX_LEN));
+
+ /* Append an error message if we cannot return all requested data */
+ if (rep_tlv_buf->len == TLV_SPACE(ULTRA_STRING_MAX_LEN)) {
+ if (*(rep_tlv_buf->data + ULTRA_STRING_MAX_LEN) != '\0')
+ sprintf(rep_tlv_buf->data + rep_tlv_buf->len -
+ sizeof(REPLY_TRUNCATED) - 1, REPLY_TRUNCATED);
+ }
+
/* Return reply buffer */
exit:
spin_unlock_bh(&config_lock);
@@ -432,7 +437,7 @@ static void cfg_named_msg_event(void *userdata,
if ((size < sizeof(*req_hdr)) ||
(size != TCM_ALIGN(ntohl(req_hdr->tcm_len))) ||
(ntohs(req_hdr->tcm_flags) != TCM_F_REQUEST)) {
- warn("Invalid configuration message discarded\n");
+ pr_warn("Invalid configuration message discarded\n");
return;
}
@@ -478,7 +483,7 @@ int tipc_cfg_init(void)
return 0;
failed:
- err("Unable to create configuration service\n");
+ pr_err("Unable to create configuration service\n");
return res;
}
@@ -494,7 +499,7 @@ void tipc_cfg_reinit(void)
seq.lower = seq.upper = tipc_own_addr;
res = tipc_publish(config_port_ref, TIPC_ZONE_SCOPE, &seq);
if (res)
- err("Unable to reinitialize configuration service\n");
+ pr_err("Unable to reinitialize configuration service\n");
}
void tipc_cfg_stop(void)