From: Harvey Harrison flags only use was in spin_lock_irqsave/spin_lock_irgrestore pairs, no need to redeclare for each one. drivers/char/esp.c:1599:17: warning: symbol 'flags' shadows an earlier one drivers/char/esp.c:1517:16: originally declared here drivers/char/esp.c:1615:17: warning: symbol 'flags' shadows an earlier one drivers/char/esp.c:1517:16: originally declared here drivers/char/esp.c:1631:17: warning: symbol 'flags' shadows an earlier one drivers/char/esp.c:1517:16: originally declared here Signed-off-by: Harvey Harrison Signed-off-by: Andrew Morton --- drivers/char/esp.c | 6 ------ 1 file changed, 6 deletions(-) diff -puN drivers/char/esp.c~char-fix-sparse-shadowed-variable-warnings-in-espc drivers/char/esp.c --- a/drivers/char/esp.c~char-fix-sparse-shadowed-variable-warnings-in-espc +++ a/drivers/char/esp.c @@ -1600,8 +1600,6 @@ static int set_esp_config(struct esp_str if ((new_config.flow_off != info->config.flow_off) || (new_config.flow_on != info->config.flow_on)) { - unsigned long flags; - info->config.flow_off = new_config.flow_off; info->config.flow_on = new_config.flow_on; @@ -1616,8 +1614,6 @@ static int set_esp_config(struct esp_str if ((new_config.rx_trigger != info->config.rx_trigger) || (new_config.tx_trigger != info->config.tx_trigger)) { - unsigned long flags; - info->config.rx_trigger = new_config.rx_trigger; info->config.tx_trigger = new_config.tx_trigger; spin_lock_irqsave(&info->lock, flags); @@ -1632,8 +1628,6 @@ static int set_esp_config(struct esp_str } if (new_config.rx_timeout != info->config.rx_timeout) { - unsigned long flags; - info->config.rx_timeout = new_config.rx_timeout; spin_lock_irqsave(&info->lock, flags); _