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authorDavid S. Miller <davem@davemloft.net>2019-08-06 18:44:57 -0700
committerDavid S. Miller <davem@davemloft.net>2019-08-06 18:44:57 -0700
commit13dfb3fa494361ea9a5950f27c9cd8b06d28c04f (patch)
tree1bf30874f57c6c6b21160a10282191fcd0868055 /drivers/isdn/hardware/mISDN/hfcsusb.c
parentMerge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff)
downloadlinux-dev-13dfb3fa494361ea9a5950f27c9cd8b06d28c04f.tar.xz
linux-dev-13dfb3fa494361ea9a5950f27c9cd8b06d28c04f.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Just minor overlapping changes in the conflicts here. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn/hardware/mISDN/hfcsusb.c')
-rw-r--r--drivers/isdn/hardware/mISDN/hfcsusb.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c
index 0e224232f746..008a74a1ed44 100644
--- a/drivers/isdn/hardware/mISDN/hfcsusb.c
+++ b/drivers/isdn/hardware/mISDN/hfcsusb.c
@@ -1394,6 +1394,7 @@ start_isoc_chain(struct usb_fifo *fifo, int num_packets_per_urb,
printk(KERN_DEBUG
"%s: %s: alloc urb for fifo %i failed",
hw->name, __func__, fifo->fifonum);
+ continue;
}
fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo;
fifo->iso[i].indx = i;
@@ -1692,13 +1693,23 @@ hfcsusb_stop_endpoint(struct hfcsusb *hw, int channel)
static int
setup_hfcsusb(struct hfcsusb *hw)
{
+ void *dmabuf = kmalloc(sizeof(u_char), GFP_KERNEL);
u_char b;
+ int ret;
if (debug & DBG_HFC_CALL_TRACE)
printk(KERN_DEBUG "%s: %s\n", hw->name, __func__);
+ if (!dmabuf)
+ return -ENOMEM;
+
+ ret = read_reg_atomic(hw, HFCUSB_CHIP_ID, dmabuf);
+
+ memcpy(&b, dmabuf, sizeof(u_char));
+ kfree(dmabuf);
+
/* check the chip id */
- if (read_reg_atomic(hw, HFCUSB_CHIP_ID, &b) != 1) {
+ if (ret != 1) {
printk(KERN_DEBUG "%s: %s: cannot read chip id\n",
hw->name, __func__);
return 1;