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-rw-r--r--drivers/target/target_core_file.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index a251efd783d..f44459a2a7c 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -299,7 +299,7 @@ static int fd_do_readv(struct se_task *task)
for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
iov[i].iov_len = sg->length;
- iov[i].iov_base = sg_virt(sg);
+ iov[i].iov_base = kmap(sg_page(sg)) + sg->offset;
}
old_fs = get_fs();
@@ -307,6 +307,8 @@ static int fd_do_readv(struct se_task *task)
ret = vfs_readv(fd, &iov[0], task->task_sg_nents, &pos);
set_fs(old_fs);
+ for_each_sg(task->task_sg, sg, task->task_sg_nents, i)
+ kunmap(sg_page(sg));
kfree(iov);
/*
* Return zeros and GOOD status even if the READ did not return
@@ -352,7 +354,7 @@ static int fd_do_writev(struct se_task *task)
for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
iov[i].iov_len = sg->length;
- iov[i].iov_base = sg_virt(sg);
+ iov[i].iov_base = kmap(sg_page(sg)) + sg->offset;
}
old_fs = get_fs();
@@ -360,6 +362,9 @@ static int fd_do_writev(struct se_task *task)
ret = vfs_writev(fd, &iov[0], task->task_sg_nents, &pos);
set_fs(old_fs);
+ for_each_sg(task->task_sg, sg, task->task_sg_nents, i)
+ kunmap(sg_page(sg));
+
kfree(iov);
if (ret < 0 || ret != task->task_size) {