diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2011-05-23 11:35:33 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-05-23 11:35:33 +0900 |
| commit | 8ace5c4698ec8da53e69095596718d5a936433de (patch) | |
| tree | 1f5959b3ac289e3bde420cc14109be0cc518a75a /net/9p/trans_common.c | |
| parent | a375b15164dd9264f724ad941825e52c90145151 (diff) | |
| parent | 71a8638480eb8fb6cfabe2ee9ca3fbc6e3453a14 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-latest
Diffstat (limited to 'net/9p/trans_common.c')
| -rw-r--r-- | net/9p/trans_common.c | 11 |
1 files changed, 3 insertions, 8 deletions
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; |