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-rw-r--r--arch/um/kernel/sigio.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/um/kernel/sigio.c b/arch/um/kernel/sigio.c
index 2b0ab438301..89f9866a135 100644
--- a/arch/um/kernel/sigio.c
+++ b/arch/um/kernel/sigio.c
@@ -23,7 +23,7 @@ static irqreturn_t sigio_interrupt(int irq, void *data)
os_read_file(sigio_irq_fd, &c, sizeof(c));
reactivate_fd(sigio_irq_fd, SIGIO_WRITE_IRQ);
- return(IRQ_HANDLED);
+ return IRQ_HANDLED;
}
int write_sigio_irq(int fd)
@@ -36,12 +36,13 @@ int write_sigio_irq(int fd)
if(err){
printk("write_sigio_irq : um_request_irq failed, err = %d\n",
err);
- return(-1);
+ return -1;
}
sigio_irq_fd = fd;
- return(0);
+ return 0;
}
+/* These are called from os-Linux/sigio.c to protect its pollfds arrays. */
static DEFINE_SPINLOCK(sigio_spinlock);
void sigio_lock(void)