diff options
Diffstat (limited to 'drivers/macintosh/macio-adb.c')
| -rw-r--r-- | drivers/macintosh/macio-adb.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c index 9b63bd2551c6..3721402582b4 100644 --- a/drivers/macintosh/macio-adb.c +++ b/drivers/macintosh/macio-adb.c @@ -100,7 +100,7 @@ int macio_init(void) unsigned int irq; adbs = of_find_compatible_node(NULL, "adb", "chrp,adb0"); - if (adbs == 0) + if (!adbs) return -ENXIO; if (of_address_to_resource(adbs, 0, &r)) { @@ -183,7 +183,7 @@ static int macio_send_request(struct adb_request *req, int sync) req->reply_len = 0; spin_lock_irqsave(&macio_lock, flags); - if (current_req != 0) { + if (current_req) { last_req->next = req; last_req = req; } else { @@ -213,7 +213,8 @@ static irqreturn_t macio_adb_interrupt(int irq, void *arg) spin_lock(&macio_lock); if (in_8(&adb->intr.r) & TAG) { handled = 1; - if ((req = current_req) != 0) { + req = current_req; + if (req) { /* put the current request in */ for (i = 0; i < req->nbytes; ++i) out_8(&adb->data[i].r, req->data[i]); |