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authorRandy Dunlap <randy.dunlap@oracle.com>2011-05-20 09:10:04 -0700
committerRandy Dunlap <randy.dunlap@oracle.com>2011-05-20 09:10:04 -0700
commit2f3e4af471e38e0658e701973238ae4b5e50fcd6 (patch)
treefbfc99c0d975e38ff80f4ff3239a9fc0567b8a4d /net/9p
parent61516587513c84ac26e68e3ab008dc6e965d0378 (diff)
parentd410fa4ef99112386de5f218dd7df7b4fca910b4 (diff)
Merge branch 'docs-security' into docs-move
Diffstat (limited to 'net/9p')
-rw-r--r--net/9p/client.c2
-rw-r--r--net/9p/protocol.c1
-rw-r--r--net/9p/trans_common.c11
3 files changed, 5 insertions, 9 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index 77367745be9..a9aa2dd6648 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -614,7 +614,7 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
err = c->trans_mod->request(c, req);
if (err < 0) {
- if (err != -ERESTARTSYS)
+ if (err != -ERESTARTSYS && err != -EFAULT)
c->status = Disconnected;
goto reterr;
}
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index b58a501cf3d..a873277cb99 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -674,6 +674,7 @@ int p9dirent_read(char *buf, int len, struct p9_dirent *dirent,
}
strcpy(dirent->d_name, nameptr);
+ kfree(nameptr);
out:
return fake_pdu.offset;
diff --git a/net/9p/trans_common.c b/net/9p/trans_common.c
index e883172f9aa..9a70ebdec56 100644
--- a/net/9p/trans_common.c
+++ b/net/9p/trans_common.c
@@ -63,7 +63,7 @@ p9_payload_gup(struct p9_req_t *req, size_t *pdata_off, int *pdata_len,
int nr_pages, u8 rw)
{
uint32_t first_page_bytes = 0;
- uint32_t pdata_mapped_pages;
+ int32_t pdata_mapped_pages;
struct trans_rpage_info *rpinfo;
*pdata_off = (__force size_t)req->tc->pubuf & (PAGE_SIZE-1);
@@ -75,14 +75,9 @@ p9_payload_gup(struct p9_req_t *req, size_t *pdata_off, int *pdata_len,
rpinfo = req->tc->private;
pdata_mapped_pages = get_user_pages_fast((unsigned long)req->tc->pubuf,
nr_pages, rw, &rpinfo->rp_data[0]);
+ if (pdata_mapped_pages <= 0)
+ return pdata_mapped_pages;
- if (pdata_mapped_pages < 0) {
- printk(KERN_ERR "get_user_pages_fast failed:%d udata:%p"
- "nr_pages:%d\n", pdata_mapped_pages,
- req->tc->pubuf, nr_pages);
- pdata_mapped_pages = 0;
- return -EIO;
- }
rpinfo->rp_nr_pages = pdata_mapped_pages;
if (*pdata_off) {
*pdata_len = first_page_bytes;