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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-03-24 23:14:46 +0530
committerEric Van Hensbergen <ericvh@gmail.com>2011-04-15 15:26:14 -0500
commitbd8c8ade6b6f109bc3dce14a8d12013f27f2a590 (patch)
tree048d4def5cefa6fa7525db43fa1de8e4584465e1 /net
parent936bb2d7034165fd6ef7afea54057da65c329a27 (diff)
downloadop-kernel-dev-bd8c8ade6b6f109bc3dce14a8d12013f27f2a590.zip
op-kernel-dev-bd8c8ade6b6f109bc3dce14a8d12013f27f2a590.tar.gz
9p: Fix sparse error
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'net')
-rw-r--r--net/9p/protocol.c3
-rw-r--r--net/9p/trans_common.c2
-rw-r--r--net/9p/trans_virtio.c15
3 files changed, 14 insertions, 6 deletions
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 8a4084f..a7e8997 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -468,7 +468,8 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
case 'E':{
int32_t cnt = va_arg(ap, int32_t);
const char *k = va_arg(ap, const void *);
- const char *u = va_arg(ap, const void *);
+ const char __user *u = va_arg(ap,
+ const void __user *);
errcode = p9pdu_writef(pdu, proto_version, "d",
cnt);
if (!errcode && pdu_write_urw(pdu, k, u, cnt))
diff --git a/net/9p/trans_common.c b/net/9p/trans_common.c
index d47880e..e883172 100644
--- a/net/9p/trans_common.c
+++ b/net/9p/trans_common.c
@@ -66,7 +66,7 @@ p9_payload_gup(struct p9_req_t *req, size_t *pdata_off, int *pdata_len,
uint32_t pdata_mapped_pages;
struct trans_rpage_info *rpinfo;
- *pdata_off = (size_t)req->tc->pubuf & (PAGE_SIZE-1);
+ *pdata_off = (__force size_t)req->tc->pubuf & (PAGE_SIZE-1);
if (*pdata_off)
first_page_bytes = min(((size_t)PAGE_SIZE - *pdata_off),
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index e8f046b..244e707 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -326,8 +326,11 @@ req_retry_pinned:
outp = pack_sg_list_p(chan->sg, out, VIRTQUEUE_NUM,
pdata_off, rpinfo->rp_data, pdata_len);
} else {
- char *pbuf = req->tc->pubuf ? req->tc->pubuf :
- req->tc->pkbuf;
+ char *pbuf;
+ if (req->tc->pubuf)
+ pbuf = (__force char *) req->tc->pubuf;
+ else
+ pbuf = req->tc->pkbuf;
outp = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM, pbuf,
req->tc->pbuf_size);
}
@@ -352,8 +355,12 @@ req_retry_pinned:
in = pack_sg_list_p(chan->sg, out+inp, VIRTQUEUE_NUM,
pdata_off, rpinfo->rp_data, pdata_len);
} else {
- char *pbuf = req->tc->pubuf ? req->tc->pubuf :
- req->tc->pkbuf;
+ char *pbuf;
+ if (req->tc->pubuf)
+ pbuf = (__force char *) req->tc->pubuf;
+ else
+ pbuf = req->tc->pkbuf;
+
in = pack_sg_list(chan->sg, out+inp, VIRTQUEUE_NUM,
pbuf, req->tc->pbuf_size);
}
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