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author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-08-13 15:39:10 -0400 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-08-13 15:39:10 -0400 |
commit | 0980bd9cd32de2fef7eaa2858345c49d14498625 (patch) | |
tree | 41f5f823d0569a81b22037e79c22d823933a63f1 /net/tipc/config.c | |
parent | 78821b2c0299ab807d483802f09897728b93bce0 (diff) | |
parent | 0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (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.c | 41 |
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) |