Merge branch 'docs/docbook/drm' of git://github.com/mfwitten/linux into docs-move

[pandora-kernel.git] / sound / oss / dmasound / dmasound_q40.c

diff --git a/sound/oss/dmasound/dmasound_q40.c b/sound/oss/dmasound/dmasound_q40.c
index 1855b14..99bcb21 100644 (file)
--- a/sound/oss/dmasound/dmasound_q40.c
+++ b/sound/oss/dmasound/dmasound_q40.c
@@ -371,8 +371,9 @@ static void Q40Free(void *ptr, unsigned int size)
 static int __init Q40IrqInit(void)
 {
        /* Register interrupt handler. */
-       request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0,
-                   "DMA sound", Q40Interrupt);
+       if (request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0,
+                   "DMA sound", Q40Interrupt))
+               return 0;
 
        return(1);
 }
@@ -401,6 +402,7 @@ static void Q40PlayNextFrame(int index)
        u_char *start;
        u_long size;
        u_char speed;
+       int error;
 
        /* used by Q40Play() if all doubts whether there really is something
         * to be played are already wiped out.
@@ -419,11 +421,13 @@ static void Q40PlayNextFrame(int index)
        master_outb( 0,SAMPLE_ENABLE_REG);
        free_irq(Q40_IRQ_SAMPLE, Q40Interrupt);
        if (dmasound.soft.stereo)
-               request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0,
-                   "Q40 sound", Q40Interrupt);
+               error = request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0,
+                                   "Q40 sound", Q40Interrupt);
          else
-               request_irq(Q40_IRQ_SAMPLE, Q40MonoInterrupt, 0,
-                   "Q40 sound", Q40Interrupt);
+               error = request_irq(Q40_IRQ_SAMPLE, Q40MonoInterrupt, 0,
+                                   "Q40 sound", Q40Interrupt);
+       if (error && printk_ratelimit())
+               pr_err("Couldn't register sound interrupt\n");
 
        master_outb( speed, SAMPLE_RATE_REG);
        master_outb( 1,SAMPLE_CLEAR_REG);