[PATCH] drivers: rtl818x: request DMA-able memory
From: Serafeim Zanikolas <hidden>
Date: 2010-10-24 20:46:19
Subsystem:
networking drivers (wireless), the rest · Maintainers:
Johannes Berg, Linus Torvalds
Despite the indicated intention in comment, the kmalloc() call was not explicitly requesting memory from ZONE_DMA. Signed-off-by: Serafeim Zanikolas <redacted> --- drivers/net/wireless/rtl818x/rtl8187_dev.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
index 38fa824..771794d 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c@@ -1343,7 +1343,8 @@ static int __devinit rtl8187_probe(struct usb_interface *intf, priv->is_rtl8187b = (id->driver_info == DEVICE_RTL8187B); /* allocate "DMA aware" buffer for register accesses */ - priv->io_dmabuf = kmalloc(sizeof(*priv->io_dmabuf), GFP_KERNEL); + priv->io_dmabuf = kmalloc(sizeof(*priv->io_dmabuf), + GFP_DMA | GFP_KERNEL); if (!priv->io_dmabuf) { err = -ENOMEM; goto err_free_dev;
--
1.7.1