IB/hfi1: Fix i2c resource reservation checks

The i2c and qsfp read/write routines should check for the resource
reservation of the incoming argument target rather than the implicit
target of the hardware HFI.

Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/staging/rdma/hfi1/qsfp.c b/drivers/staging/rdma/hfi1/qsfp.c
index 9ed1963..ac03d80 100644 (file)
--- a/drivers/staging/rdma/hfi1/qsfp.c
+++ b/drivers/staging/rdma/hfi1/qsfp.c
@@ -96,7 +96,7 @@ int i2c_write(struct hfi1_pportdata *ppd, u32 target, int i2c_addr, int offset,
 {
        int ret;
 
-       if (!check_chip_resource(ppd->dd, qsfp_resource(ppd->dd), __func__))
+       if (!check_chip_resource(ppd->dd, i2c_target(target), __func__))
                return -EACCES;
 
        /* make sure the TWSI bus is in a sane state */
@@ -162,7 +162,7 @@ int i2c_read(struct hfi1_pportdata *ppd, u32 target, int i2c_addr, int offset,
 {
        int ret;
 
-       if (!check_chip_resource(ppd->dd, qsfp_resource(ppd->dd), __func__))
+       if (!check_chip_resource(ppd->dd, i2c_target(target), __func__))
                return -EACCES;
 
        /* make sure the TWSI bus is in a sane state */
@@ -192,7 +192,7 @@ int qsfp_write(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp,
        int ret;
        u8 page;
 
-       if (!check_chip_resource(ppd->dd, qsfp_resource(ppd->dd), __func__))
+       if (!check_chip_resource(ppd->dd, i2c_target(target), __func__))
                return -EACCES;
 
        /* make sure the TWSI bus is in a sane state */
@@ -276,7 +276,7 @@ int qsfp_read(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp,
        int ret;
        u8 page;
 
-       if (!check_chip_resource(ppd->dd, qsfp_resource(ppd->dd), __func__))
+       if (!check_chip_resource(ppd->dd, i2c_target(target), __func__))
                return -EACCES;
 
        /* make sure the TWSI bus is in a sane state */