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author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 03:03:30 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 03:03:30 +0100 |
commit | f45ac22ae2b8fc5b4c32d9b8d17ea419a8701d89 (patch) | |
tree | 8e05bccd7b85fc3dd2fbd33ec3286de27e152819 /fs/hugetlbfs/inode.c | |
parent | 79f3b3cb7a2586b319a43a7f29924c6c555e4357 (diff) | |
parent | c59765042f53a79a7a65585042ff463b69cb248c (diff) |
Merge commit 'v2.6.29-rc1' into x86/urgent
Diffstat (limited to 'fs/hugetlbfs/inode.c')
-rw-r--r-- | fs/hugetlbfs/inode.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 0ab0c6f5f43..6903d37af03 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -252,6 +252,7 @@ static ssize_t hugetlbfs_read(struct file *filp, char __user *buf, for (;;) { struct page *page; unsigned long nr, ret; + int ra; /* nr is the maximum number of bytes to copy from this page */ nr = huge_page_size(h); @@ -274,16 +275,19 @@ static ssize_t hugetlbfs_read(struct file *filp, char __user *buf, */ ret = len < nr ? len : nr; if (clear_user(buf, ret)) - ret = -EFAULT; + ra = -EFAULT; + else + ra = 0; } else { /* * We have the page, copy it to user space buffer. */ - ret = hugetlbfs_read_actor(page, offset, buf, len, nr); + ra = hugetlbfs_read_actor(page, offset, buf, len, nr); + ret = ra; } - if (ret < 0) { + if (ra < 0) { if (retval == 0) - retval = ret; + retval = ra; if (page) page_cache_release(page); goto out; |