block: IBM RamSan 70/80 driver fixes
This patch includes the following driver fixes for the
IBM RamSan 70/80 driver:
o Changed the creg_ctrl lock from a mutex to a spinlock.
o Added a count check for ioctl calls.
o Removed unnecessary casting of void pointers.
o Made every function static that needed to be.
o Added comments to explain things more thoroughly.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/drivers/block/rsxx/config.c b/drivers/block/rsxx/config.c
index c8829cd..a295e7e 100644
--- a/drivers/block/rsxx/config.c
+++ b/drivers/block/rsxx/config.c
@@ -31,7 +31,7 @@
static void initialize_config(void *config)
{
- struct rsxx_card_cfg *cfg = (struct rsxx_card_cfg *) config;
+ struct rsxx_card_cfg *cfg = config;
cfg->hdr.version = RSXX_CFG_VERSION;
@@ -97,7 +97,7 @@
/*----------------- Config Operations ------------------*/
-int rsxx_save_config(struct rsxx_cardinfo *card)
+static int rsxx_save_config(struct rsxx_cardinfo *card)
{
struct rsxx_card_cfg cfg;
int st;