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authorAl Viro <viro@zeniv.linux.org.uk>2022-09-15 19:16:56 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2022-11-25 13:01:21 -0500
commitfc02f33787d8dd227b54f263eba983d5b249c032 (patch)
tree84da1af0262429ab073c88d5fee40f7c0fe56050 /drivers/xen
parente3bf3df824675ea9cadc3cd2c75d08ee83a6ae26 (diff)
downloadlwn-fc02f33787d8dd227b54f263eba983d5b249c032.tar.gz
lwn-fc02f33787d8dd227b54f263eba983d5b249c032.zip
[xen] fix "direction" argument of iov_iter_kvec()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/pvcalls-back.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index d6f945fd4147..21b9c850a382 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -129,13 +129,13 @@ static bool pvcalls_conn_back_read(void *opaque)
if (masked_prod < masked_cons) {
vec[0].iov_base = data->in + masked_prod;
vec[0].iov_len = wanted;
- iov_iter_kvec(&msg.msg_iter, WRITE, vec, 1, wanted);
+ iov_iter_kvec(&msg.msg_iter, READ, vec, 1, wanted);
} else {
vec[0].iov_base = data->in + masked_prod;
vec[0].iov_len = array_size - masked_prod;
vec[1].iov_base = data->in;
vec[1].iov_len = wanted - vec[0].iov_len;
- iov_iter_kvec(&msg.msg_iter, WRITE, vec, 2, wanted);
+ iov_iter_kvec(&msg.msg_iter, READ, vec, 2, wanted);
}
atomic_set(&map->read, 0);
@@ -188,13 +188,13 @@ static bool pvcalls_conn_back_write(struct sock_mapping *map)
if (pvcalls_mask(prod, array_size) > pvcalls_mask(cons, array_size)) {
vec[0].iov_base = data->out + pvcalls_mask(cons, array_size);
vec[0].iov_len = size;
- iov_iter_kvec(&msg.msg_iter, READ, vec, 1, size);
+ iov_iter_kvec(&msg.msg_iter, WRITE, vec, 1, size);
} else {
vec[0].iov_base = data->out + pvcalls_mask(cons, array_size);
vec[0].iov_len = array_size - pvcalls_mask(cons, array_size);
vec[1].iov_base = data->out;
vec[1].iov_len = size - vec[0].iov_len;
- iov_iter_kvec(&msg.msg_iter, READ, vec, 2, size);
+ iov_iter_kvec(&msg.msg_iter, WRITE, vec, 2, size);
}
atomic_set(&map->write, 0);