X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fatm%2Ffirestream.c;h=38b688f9f6a98166fef19efbbd81543b3e06005c;hb=cb560737676260ac15b68d426305ad5e755417ea;hp=40ab9b65fae9ecc57aeea36a35b99cd0b38bedac;hpb=946b92437e550d6ed80213bf54a1f383e141aede;p=linux-2.6 diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index 40ab9b65fa..38b688f9f6 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -512,7 +512,7 @@ static unsigned int make_rate (unsigned int rate, int r, } case ROUND_UP: { /* check all bits that we are discarding */ - if (man & (-1>>9)) { + if (man & (~0U>>9)) { man = (man>>(32-9)) + 1; if (man == (1<<9)) { /* no need to check for round up outside of range */ @@ -1002,6 +1002,10 @@ static int fs_open(struct atm_vcc *atm_vcc) r = ROUND_UP; } error = make_rate (pcr, r, &tmc0, NULL); + if (error) { + kfree(tc); + return error; + } } fs_dprintk (FS_DEBUG_OPEN, "pcr = %d.\n", pcr); } @@ -1471,6 +1475,7 @@ static void top_off_fp (struct fs_dev *dev, struct freepool *fp, struct FS_BPENTRY *qe, *ne; struct sk_buff *skb; int n = 0; + u32 qe_tmp; fs_dprintk (FS_DEBUG_QUEUE, "Topping off queue at %x (%d-%d/%d)\n", fp->offset, read_fs (dev, FP_CNT (fp->offset)), fp->n, @@ -1498,10 +1503,16 @@ static void top_off_fp (struct fs_dev *dev, struct freepool *fp, ne->skb = skb; ne->fp = fp; - qe = (struct FS_BPENTRY *) (read_fs (dev, FP_EA(fp->offset))); - fs_dprintk (FS_DEBUG_QUEUE, "link at %p\n", qe); - if (qe) { - qe = bus_to_virt ((long) qe); + /* + * FIXME: following code encodes and decodes + * machine pointers (could be 64-bit) into a + * 32-bit register. + */ + + qe_tmp = read_fs (dev, FP_EA(fp->offset)); + fs_dprintk (FS_DEBUG_QUEUE, "link at %x\n", qe_tmp); + if (qe_tmp) { + qe = bus_to_virt ((long) qe_tmp); qe->next = virt_to_bus(ne); qe->flags &= ~FP_FLAGS_EPI; } else @@ -1643,7 +1654,7 @@ static void fs_poll (unsigned long data) { struct fs_dev *dev = (struct fs_dev *) data; - fs_irq (0, dev, NULL); + fs_irq (0, dev); dev->timer.expires = jiffies + FS_POLL_FREQ; add_timer (&dev->timer); }