This fixes the following minor issues:
- When bsg_register_queue is called with a request queue that doesn't
have request_fn, it returns -EINVAL instead of zero.
- add EXPORT_SYMBOL_GPL for bsg_register_queue and
bsg_unregister_queue.
- shut up gcc warnings
Signed-off-by: FUJITA Tomonori <[EMAIL PROTECTED]>
---
block/bsg.c | 6 ++++--
include/linux/bsg.h | 2 +-
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/block/bsg.c b/block/bsg.c
index 4ef3cc5..53bf6d4 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -961,8 +961,9 @@ void bsg_unregister_queue(struct request
bsg_device_nr--;
mutex_unlock(&bsg_mutex);
}
+EXPORT_SYMBOL_GPL(bsg_unregister_queue);
-int bsg_register_queue(struct request_queue *q, char *name)
+int bsg_register_queue(struct request_queue *q, const char *name)
{
struct bsg_class_device *bcd, *__bcd;
dev_t dev;
@@ -973,7 +974,7 @@ int bsg_register_queue(struct request_qu
* we need a proper transport to send commands, not a stacked device
*/
if (!q->request_fn)
- return 0;
+ return -EINVAL;
bcd = &q->bsg_dev;
memset(bcd, 0, sizeof(*bcd));
@@ -1025,6 +1026,7 @@ err:
mutex_unlock(&bsg_mutex);
return ret;
}
+EXPORT_SYMBOL_GPL(bsg_register_queue);
static int bsg_add(struct class_device *cl_dev, struct class_interface
*cl_intf)
{
diff --git a/include/linux/bsg.h b/include/linux/bsg.h
index 0475a6d..0dd01f9 100644
--- a/include/linux/bsg.h
+++ b/include/linux/bsg.h
@@ -51,7 +51,7 @@ struct bsg_class_device {
struct request_queue *queue;
};
-extern int bsg_register_queue(struct request_queue *, char *);
+extern int bsg_register_queue(struct request_queue *, const char *);
extern void bsg_unregister_queue(struct request_queue *);
#else
struct bsg_class_device { };
--
1.4.3.2
-
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