[TIPC]: Remove code bloat introduced by print buffer rework
This patch allows the compiler to optimize out any code that tries to send debugging output to the null print buffer (TIPC_NULL), a capability that was unintentionally broken during the recent print buffer rework. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -83,9 +83,9 @@ void tipc_dump(struct print_buf*,const char *fmt, ...);
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#define warn(fmt, arg...) tipc_printf(TIPC_OUTPUT, KERN_WARNING "TIPC: " fmt, ## arg)
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#define info(fmt, arg...) tipc_printf(TIPC_OUTPUT, KERN_NOTICE "TIPC: " fmt, ## arg)
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#define dbg(fmt, arg...) do {if (DBG_OUTPUT) tipc_printf(DBG_OUTPUT, fmt, ## arg);} while(0)
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#define msg_dbg(msg, txt) do {if (DBG_OUTPUT) tipc_msg_print(DBG_OUTPUT, msg, txt);} while(0)
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#define dump(fmt, arg...) do {if (DBG_OUTPUT) tipc_dump(DBG_OUTPUT, fmt, ##arg);} while(0)
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#define dbg(fmt, arg...) do {if (DBG_OUTPUT != TIPC_NULL) tipc_printf(DBG_OUTPUT, fmt, ## arg);} while(0)
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#define msg_dbg(msg, txt) do {if (DBG_OUTPUT != TIPC_NULL) tipc_msg_print(DBG_OUTPUT, msg, txt);} while(0)
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#define dump(fmt, arg...) do {if (DBG_OUTPUT != TIPC_NULL) tipc_dump(DBG_OUTPUT, fmt, ##arg);} while(0)
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/*
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@ -132,7 +132,7 @@ static void link_print(struct link *l_ptr, struct print_buf *buf,
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* allow the output from multiple links to be intermixed. For this reason
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* routines of the form "dbg_link_XXX()" have been created that will capture
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* debug info into a link's personal print buffer, which can then be dumped
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* into the TIPC system log (LOG) upon request.
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* into the TIPC system log (TIPC_LOG) upon request.
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*
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* To enable per-link debugging, use LINK_LOG_BUF_SIZE to specify the size
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* of the print buffer used by each link. If LINK_LOG_BUF_SIZE is set to 0,
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@ -141,7 +141,7 @@ static void link_print(struct link *l_ptr, struct print_buf *buf,
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* when there is only a single link in the system being debugged.
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*
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* Notes:
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* - When enabled, LINK_LOG_BUF_SIZE should be set to at least 1000 (bytes)
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* - When enabled, LINK_LOG_BUF_SIZE should be set to at least TIPC_PB_MIN_SIZE
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* - "l_ptr" must be valid when using dbg_link_XXX() macros
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*/
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@ -159,13 +159,13 @@ static void link_print(struct link *l_ptr, struct print_buf *buf,
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static void dbg_print_link(struct link *l_ptr, const char *str)
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{
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if (DBG_OUTPUT)
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if (DBG_OUTPUT != TIPC_NULL)
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link_print(l_ptr, DBG_OUTPUT, str);
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}
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static void dbg_print_buf_chain(struct sk_buff *root_buf)
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{
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if (DBG_OUTPUT) {
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if (DBG_OUTPUT != TIPC_NULL) {
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struct sk_buff *buf = root_buf;
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while (buf) {
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