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Subject[PATCH] kdbus: fix sparse address-space annotation
Date
Make sure to properly annotate casts in 'struct iovec' if we cross
address-spaces, to make sure sparse does not warn about them.

All those conversions are fine, as we are allowed to pass those kvecs
through the iovec importer.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
---
ipc/kdbus/message.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ipc/kdbus/message.c b/ipc/kdbus/message.c
index 3520f45..27a5021 100644
--- a/ipc/kdbus/message.c
+++ b/ipc/kdbus/message.c
@@ -920,7 +920,7 @@ struct kdbus_pool_slice *kdbus_staging_emit(struct kdbus_staging *staging,

/* msg.size */
v->iov_len = sizeof(msg_size);
- v->iov_base = &msg_size;
+ v->iov_base = (void __user *)&msg_size;
++v;

/* msg (after msg.size) plus items */
@@ -937,7 +937,7 @@ struct kdbus_pool_slice *kdbus_staging_emit(struct kdbus_staging *staging,
if (meta_size > 0) {
/* metadata items */
v->iov_len = meta_size;
- v->iov_base = meta_items;
+ v->iov_base = (void __user *)meta_items;
++v;

/* padding after metadata */
--
2.4.6


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