From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: [PATCH] m68k: vme_scc - kill warn_unused_result warnings Date: Fri, 2 Jan 2009 11:41:22 +0100 Message-ID: <1230892892-25751-10-git-send-email-geert@linux-m68k.org> References: <1230892892-25751-1-git-send-email-geert@linux-m68k.org> <1230892892-25751-2-git-send-email-geert@linux-m68k.org> <1230892892-25751-3-git-send-email-geert@linux-m68k.org> <1230892892-25751-4-git-send-email-geert@linux-m68k.org> <1230892892-25751-5-git-send-email-geert@linux-m68k.org> <1230892892-25751-6-git-send-email-geert@linux-m68k.org> <1230892892-25751-7-git-send-email-geert@linux-m68k.org> <1230892892-25751-8-git-send-email-geert@linux-m68k.org> <1230892892-25751-9-git-send-email-geert@linux-m68k.org> Return-path: Received: from edna.telenet-ops.be ([195.130.132.58]:37327 "EHLO edna.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756747AbZABKli (ORCPT ); Fri, 2 Jan 2009 05:41:38 -0500 In-Reply-To: <1230892892-25751-9-git-send-email-geert@linux-m68k.org> Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: linux-m68k@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Geert Uytterhoeven , Richard Hirst , Alan Cox warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result Signed-off-by: Geert Uytterhoeven Cc: Richard Hirst Cc: Alan Cox --- drivers/char/vme_scc.c | 166 +++++++++++++++++++++++++++++++++++++++--------- 1 files changed, 136 insertions(+), 30 deletions(-) diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c index 1718b3c..3b6c20e 100644 --- a/drivers/char/vme_scc.c +++ b/drivers/char/vme_scc.c @@ -193,6 +193,7 @@ static void scc_init_portstructs(void) static int mvme147_scc_init(void) { struct scc_port *port; + int error; printk(KERN_INFO "SCC: MVME147 Serial Driver\n"); /* Init channel A */ @@ -202,14 +203,23 @@ static int mvme147_scc_init(void) port->datap = port->ctrlp + 1; port->port_a = &scc_ports[0]; port->port_b = &scc_ports[1]; - request_irq(MVME147_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED, + error = request_irq(MVME147_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED, "SCC-A TX", port); - request_irq(MVME147_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED, + if (error) + goto fail; + error = request_irq(MVME147_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED, "SCC-A status", port); - request_irq(MVME147_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED, + if (error) + goto fail_free_a_tx; + error = request_irq(MVME147_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED, "SCC-A RX", port); - request_irq(MVME147_IRQ_SCCA_SPCOND, scc_spcond_int, IRQF_DISABLED, - "SCC-A special cond", port); + if (error) + goto fail_free_a_stat; + error = request_irq(MVME147_IRQ_SCCA_SPCOND, scc_spcond_int, + IRQF_DISABLED, "SCC-A special cond", port); + if (error) + goto fail_free_a_rx; + { SCC_ACCESS_INIT(port); @@ -229,14 +239,23 @@ static int mvme147_scc_init(void) port->datap = port->ctrlp + 1; port->port_a = &scc_ports[0]; port->port_b = &scc_ports[1]; - request_irq(MVME147_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED, + error = request_irq(MVME147_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED, "SCC-B TX", port); - request_irq(MVME147_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED, + if (error) + goto fail_free_a_spcond; + error = request_irq(MVME147_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED, "SCC-B status", port); - request_irq(MVME147_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED, + if (error) + goto fail_free_b_tx; + error = request_irq(MVME147_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED, "SCC-B RX", port); - request_irq(MVME147_IRQ_SCCB_SPCOND, scc_spcond_int, IRQF_DISABLED, - "SCC-B special cond", port); + if (error) + goto fail_free_b_stat; + error = request_irq(MVME147_IRQ_SCCB_SPCOND, scc_spcond_int, + IRQF_DISABLED, "SCC-B special cond", port); + if (error) + goto fail_free_b_rx; + { SCC_ACCESS_INIT(port); @@ -252,6 +271,23 @@ static int mvme147_scc_init(void) scc_init_drivers(); return 0; + +fail_free_b_rx: + free_irq(MVME147_IRQ_SCCB_RX, port); +fail_free_b_stat: + free_irq(MVME147_IRQ_SCCB_STAT, port); +fail_free_b_tx: + free_irq(MVME147_IRQ_SCCB_TX, port); +fail_free_a_spcond: + free_irq(MVME147_IRQ_SCCA_SPCOND, port); +fail_free_a_rx: + free_irq(MVME147_IRQ_SCCA_RX, port); +fail_free_a_stat: + free_irq(MVME147_IRQ_SCCA_STAT, port); +fail_free_a_tx: + free_irq(MVME147_IRQ_SCCA_TX, port); +fail: + return error; } #endif @@ -260,6 +296,7 @@ static int mvme147_scc_init(void) static int mvme162_scc_init(void) { struct scc_port *port; + int error; if (!(mvme16x_config & MVME16x_CONFIG_GOT_SCCA)) return (-ENODEV); @@ -272,14 +309,23 @@ static int mvme162_scc_init(void) port->datap = port->ctrlp + 2; port->port_a = &scc_ports[0]; port->port_b = &scc_ports[1]; - request_irq(MVME162_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED, + error = request_irq(MVME162_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED, "SCC-A TX", port); - request_irq(MVME162_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED, + if (error) + goto fail; + error = request_irq(MVME162_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED, "SCC-A status", port); - request_irq(MVME162_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED, + if (error) + goto fail_free_a_tx; + error = request_irq(MVME162_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED, "SCC-A RX", port); - request_irq(MVME162_IRQ_SCCA_SPCOND, scc_spcond_int, IRQF_DISABLED, - "SCC-A special cond", port); + if (error) + goto fail_free_a_stat; + error = request_irq(MVME162_IRQ_SCCA_SPCOND, scc_spcond_int, + IRQF_DISABLED, "SCC-A special cond", port); + if (error) + goto fail_free_a_rx; + { SCC_ACCESS_INIT(port); @@ -299,14 +345,22 @@ static int mvme162_scc_init(void) port->datap = port->ctrlp + 2; port->port_a = &scc_ports[0]; port->port_b = &scc_ports[1]; - request_irq(MVME162_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED, + error = request_irq(MVME162_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED, "SCC-B TX", port); - request_irq(MVME162_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED, + if (error) + goto fail_free_a_spcond; + error = request_irq(MVME162_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED, "SCC-B status", port); - request_irq(MVME162_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED, + if (error) + goto fail_free_b_tx; + error = request_irq(MVME162_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED, "SCC-B RX", port); - request_irq(MVME162_IRQ_SCCB_SPCOND, scc_spcond_int, IRQF_DISABLED, - "SCC-B special cond", port); + if (error) + goto fail_free_b_stat; + error = request_irq(MVME162_IRQ_SCCB_SPCOND, scc_spcond_int, + IRQF_DISABLED, "SCC-B special cond", port); + if (error) + goto fail_free_b_rx; { SCC_ACCESS_INIT(port); /* Either channel will do */ @@ -323,6 +377,23 @@ static int mvme162_scc_init(void) scc_init_drivers(); return 0; + +fail_free_b_rx: + free_irq(MVME162_IRQ_SCCB_RX, port); +fail_free_b_stat: + free_irq(MVME162_IRQ_SCCB_STAT, port); +fail_free_b_tx: + free_irq(MVME162_IRQ_SCCB_TX, port); +fail_free_a_spcond: + free_irq(MVME162_IRQ_SCCA_SPCOND, port); +fail_free_a_rx: + free_irq(MVME162_IRQ_SCCA_RX, port); +fail_free_a_stat: + free_irq(MVME162_IRQ_SCCA_STAT, port); +fail_free_a_tx: + free_irq(MVME162_IRQ_SCCA_TX, port); +fail: + return error; } #endif @@ -331,6 +402,7 @@ static int mvme162_scc_init(void) static int bvme6000_scc_init(void) { struct scc_port *port; + int error; printk(KERN_INFO "SCC: BVME6000 Serial Driver\n"); /* Init channel A */ @@ -340,14 +412,23 @@ static int bvme6000_scc_init(void) port->datap = port->ctrlp + 4; port->port_a = &scc_ports[0]; port->port_b = &scc_ports[1]; - request_irq(BVME_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED, + error = request_irq(BVME_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED, "SCC-A TX", port); - request_irq(BVME_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED, + if (error) + goto fail; + error = request_irq(BVME_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED, "SCC-A status", port); - request_irq(BVME_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED, + if (error) + goto fail_free_a_tx; + error = request_irq(BVME_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED, "SCC-A RX", port); - request_irq(BVME_IRQ_SCCA_SPCOND, scc_spcond_int, IRQF_DISABLED, - "SCC-A special cond", port); + if (error) + goto fail_free_a_stat; + error = request_irq(BVME_IRQ_SCCA_SPCOND, scc_spcond_int, + IRQF_DISABLED, "SCC-A special cond", port); + if (error) + goto fail_free_a_rx; + { SCC_ACCESS_INIT(port); @@ -367,14 +448,22 @@ static int bvme6000_scc_init(void) port->datap = port->ctrlp + 4; port->port_a = &scc_ports[0]; port->port_b = &scc_ports[1]; - request_irq(BVME_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED, + error = request_irq(BVME_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED, "SCC-B TX", port); - request_irq(BVME_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED, + if (error) + goto fail_free_a_spcond; + error = request_irq(BVME_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED, "SCC-B status", port); - request_irq(BVME_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED, + if (error) + goto fail_free_b_tx; + error = request_irq(BVME_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED, "SCC-B RX", port); - request_irq(BVME_IRQ_SCCB_SPCOND, scc_spcond_int, IRQF_DISABLED, - "SCC-B special cond", port); + if (error) + goto fail_free_b_stat; + error = request_irq(BVME_IRQ_SCCB_SPCOND, scc_spcond_int, + IRQF_DISABLED, "SCC-B special cond", port); + if (error) + goto fail_free_b_rx; { SCC_ACCESS_INIT(port); /* Either channel will do */ @@ -388,6 +477,23 @@ static int bvme6000_scc_init(void) scc_init_drivers(); return 0; + +fail: + free_irq(BVME_IRQ_SCCA_STAT, port); +fail_free_a_tx: + free_irq(BVME_IRQ_SCCA_RX, port); +fail_free_a_stat: + free_irq(BVME_IRQ_SCCA_SPCOND, port); +fail_free_a_rx: + free_irq(BVME_IRQ_SCCB_TX, port); +fail_free_a_spcond: + free_irq(BVME_IRQ_SCCB_STAT, port); +fail_free_b_tx: + free_irq(BVME_IRQ_SCCB_RX, port); +fail_free_b_stat: + free_irq(BVME_IRQ_SCCB_SPCOND, port); +fail_free_b_rx: + return error; } #endif -- 1.5.6.5