The patch titled
s390: use simple_read_from_buffer()
has been removed from the -mm tree. Its filename was
s390-use-simple_read_from_buffer.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: s390: use simple_read_from_buffer()
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/s390/hypfs/inode.c | 29 ++++++++++-------------------
1 file changed, 10 insertions(+), 19 deletions(-)
diff -puN arch/s390/hypfs/inode.c~s390-use-simple_read_from_buffer arch/s390/hypfs/inode.c
--- a/arch/s390/hypfs/inode.c~s390-use-simple_read_from_buffer
+++ a/arch/s390/hypfs/inode.c
@@ -150,33 +150,24 @@ static ssize_t hypfs_aio_read(struct kio
unsigned long nr_segs, loff_t offset)
{
char *data;
- size_t len;
+ ssize_t ret;
struct file *filp = iocb->ki_filp;
/* XXX: temporary */
char __user *buf = iov[0].iov_base;
size_t count = iov[0].iov_len;
- if (nr_segs != 1) {
- count = -EINVAL;
- goto out;
- }
+ if (nr_segs != 1)
+ return -EINVAL;
data = filp->private_data;
- len = strlen(data);
- if (offset > len) {
- count = 0;
- goto out;
- }
- if (count > len - offset)
- count = len - offset;
- if (copy_to_user(buf, data + offset, count)) {
- count = -EFAULT;
- goto out;
- }
- iocb->ki_pos += count;
+ ret = simple_read_from_buffer(buf, count, &offset, data, strlen(data));
+ if (ret <= 0)
+ return ret;
+
+ iocb->ki_pos += ret;
file_accessed(filp);
-out:
- return count;
+
+ return ret;
}
static ssize_t hypfs_aio_write(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t offset)
_
Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx are
linux-next.patch
ttusb-use-simple_read_from_buffer.patch
ipr-use-memory_read_from_buffer.patch
qla2xxx-use-memory_read_from_buffer.patch
pm-hibernation-simplify-memory-bitmap.patch
cris-use-simple_read_from_buffer.patch
binfmt_misc-use-simple_read_from_buffer.patch
aty-use-memory_read_from_buffer.patch
ipc-use-simple_read_from_buffer.patch
nwflash-use-simple_read_from_buffer.patch
firmware-use-memory_read_from_buffer.patch
dcdbas-use-memory_read_from_buffer.patch
dell_rbu-use-memory_read_from_buffer.patch
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