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-rw-r--r--drivers/vhost/scsi.c2
-rw-r--r--include/linux/uio.h2
-rw-r--r--lib/Makefile2
-rw-r--r--lib/iovec.c36
4 files changed, 2 insertions, 40 deletions
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index d695b1673ae5..dc78d87e0fc2 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1079,7 +1079,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
1079 req_size, vq->iov[0].iov_len); 1079 req_size, vq->iov[0].iov_len);
1080 break; 1080 break;
1081 } 1081 }
1082 ret = memcpy_fromiovecend(req, &vq->iov[0], 0, req_size); 1082 ret = copy_from_user(req, vq->iov[0].iov_base, req_size);
1083 if (unlikely(ret)) { 1083 if (unlikely(ret)) {
1084 vq_err(vq, "Faulted on virtio_scsi_cmd_req\n"); 1084 vq_err(vq, "Faulted on virtio_scsi_cmd_req\n");
1085 break; 1085 break;
diff --git a/include/linux/uio.h b/include/linux/uio.h
index 02bd8a92038a..3e0cb4ea3905 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -135,6 +135,4 @@ static inline void iov_iter_reexpand(struct iov_iter *i, size_t count)
135size_t csum_and_copy_to_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); 135size_t csum_and_copy_to_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
136size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); 136size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
137 137
138int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov,
139 int offset, int len);
140#endif 138#endif
diff --git a/lib/Makefile b/lib/Makefile
index 3c3b30b9e020..1071d06398c3 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -24,7 +24,7 @@ obj-y += lockref.o
24 24
25obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \ 25obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
26 bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \ 26 bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
27 gcd.o lcm.o list_sort.o uuid.o flex_array.o iovec.o clz_ctz.o \ 27 gcd.o lcm.o list_sort.o uuid.o flex_array.o clz_ctz.o \
28 bsearch.o find_last_bit.o find_next_bit.o llist.o memweight.o kfifo.o \ 28 bsearch.o find_last_bit.o find_next_bit.o llist.o memweight.o kfifo.o \
29 percpu-refcount.o percpu_ida.o rhashtable.o reciprocal_div.o 29 percpu-refcount.o percpu_ida.o rhashtable.o reciprocal_div.o
30obj-y += string_helpers.o 30obj-y += string_helpers.o
diff --git a/lib/iovec.c b/lib/iovec.c
deleted file mode 100644
index d8f17a9b1ccf..000000000000
--- a/lib/iovec.c
+++ /dev/null
@@ -1,36 +0,0 @@
1#include <linux/uaccess.h>
2#include <linux/export.h>
3#include <linux/uio.h>
4
5/*
6 * Copy iovec to kernel. Returns -EFAULT on error.
7 */
8
9int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov,
10 int offset, int len)
11{
12 /* No data? Done! */
13 if (len == 0)
14 return 0;
15
16 /* Skip over the finished iovecs */
17 while (offset >= iov->iov_len) {
18 offset -= iov->iov_len;
19 iov++;
20 }
21
22 while (len > 0) {
23 u8 __user *base = iov->iov_base + offset;
24 int copy = min_t(unsigned int, len, iov->iov_len - offset);
25
26 offset = 0;
27 if (copy_from_user(kdata, base, copy))
28 return -EFAULT;
29 len -= copy;
30 kdata += copy;
31 iov++;
32 }
33
34 return 0;
35}
36EXPORT_SYMBOL(memcpy_fromiovecend);