m68k: vme_scc - Kill warn_unused_result warnings

warning: ignoring return value of 'request_irq', declared with attribute
warn_unused_result

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>

diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c
index 0e8234b..994e1a5 100644 (file)
--- a/drivers/char/vme_scc.c
+++ b/drivers/char/vme_scc.c
@@ -198,6 +198,7 @@ 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 */
@@ -207,14 +208,23 @@ 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);
 
@@ -234,14 +244,23 @@ 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);
 
@@ -257,6 +276,23 @@ 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
 
@@ -265,6 +301,7 @@ 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);
@@ -277,14 +314,23 @@ 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);
 
@@ -304,14 +350,22 @@ 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 */
@@ -328,6 +382,23 @@ 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
 
@@ -336,6 +407,7 @@ 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 */
@@ -345,14 +417,23 @@ 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);
 
@@ -372,14 +453,22 @@ 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 */
@@ -393,6 +482,23 @@ 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