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
--- a/drivers/char/vme_scc.c
+++ b/drivers/char/vme_scc.c
@@ -198,6 +198,7 @@
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 @@
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 @@
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 @@
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 mvme162_scc_init(void)
{
struct scc_port *port;
+ int error;
if (!(mvme16x_config & MVME16x_CONFIG_GOT_SCCA))
return (-ENODEV);
@@ -277,14 +314,23 @@
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 @@
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 @@
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 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 @@
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 @@
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 @@
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