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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-08-08 16:21:02 -0400 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-08-08 16:21:02 -0400 |
commit | e4ddcb0a6bf04d53ce77b4eb87bbbb32c4261d11 (patch) | |
tree | d27d2fea50a384d97aa2d0cf5c8657c916f761d4 /fs/binfmt_misc.c | |
parent | f2afa7711f8585ffc088ba538b9a510e0d5dca12 (diff) | |
parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) | |
download | kernel-crypto-e4ddcb0a6bf04d53ce77b4eb87bbbb32c4261d11.tar.gz kernel-crypto-e4ddcb0a6bf04d53ce77b4eb87bbbb32c4261d11.tar.xz kernel-crypto-e4ddcb0a6bf04d53ce77b4eb87bbbb32c4261d11.zip |
Merge commit 'v2.6.27-rc1' into for-linus
Diffstat (limited to 'fs/binfmt_misc.c')
-rw-r--r-- | fs/binfmt_misc.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index 7191306367c..756205314c2 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -27,6 +27,7 @@ #include <linux/namei.h> #include <linux/mount.h> #include <linux/syscalls.h> +#include <linux/fs.h> #include <asm/uaccess.h> @@ -535,31 +536,16 @@ static ssize_t bm_entry_read(struct file * file, char __user * buf, size_t nbytes, loff_t *ppos) { Node *e = file->f_path.dentry->d_inode->i_private; - loff_t pos = *ppos; ssize_t res; char *page; - int len; if (!(page = (char*) __get_free_page(GFP_KERNEL))) return -ENOMEM; entry_status(e, page); - len = strlen(page); - res = -EINVAL; - if (pos < 0) - goto out; - res = 0; - if (pos >= len) - goto out; - if (len < pos + nbytes) - nbytes = len - pos; - res = -EFAULT; - if (copy_to_user(buf, page + pos, nbytes)) - goto out; - *ppos = pos + nbytes; - res = nbytes; -out: + res = simple_read_from_buffer(buf, nbytes, ppos, page, strlen(page)); + free_page((unsigned long) page); return res; } |