RDMA/rxe: Fix mismatched type declarations

Some functions return int values while they are defined as enum resp_states
variables. This patch resolves the mismatches in rxe.

Signed-off-by: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Link: https://patch.msgid.link/20250409102701.1275265-1-matsuda-daisuke@fujitsu.com
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Leon Romanovsky <leon@kernel.org>

3 files changed, 19 insertions, 18 deletions

diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h
index 6389d829b06a..30fa83c9c846 100644
--- a/drivers/infiniband/sw/rxe/rxe_loc.h
+++ b/drivers/infiniband/sw/rxe/rxe_loc.h
@@ -70,9 +70,9 @@ int copy_data(struct rxe_pd *pd, int access, struct rxe_dma_info *dma,
 	      void *addr, int length, enum rxe_mr_copy_dir dir);
 int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
 		  int sg_nents, unsigned int *sg_offset);
-int rxe_mr_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
-			u64 compare, u64 swap_add, u64 *orig_val);
-int rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value);
+enum resp_states rxe_mr_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
+				     u64 compare, u64 swap_add, u64 *orig_val);
+enum resp_states rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value);
 struct rxe_mr *lookup_mr(struct rxe_pd *pd, int access, u32 key,
 			 enum rxe_mr_lookup_type type);
 int mr_check_range(struct rxe_mr *mr, u64 iova, size_t length);
@@ -192,8 +192,8 @@ int rxe_odp_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length,
 			 u64 iova, int access_flags, struct rxe_mr *mr);
 int rxe_odp_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, int length,
 		    enum rxe_mr_copy_dir dir);
-int rxe_odp_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
-			 u64 compare, u64 swap_add, u64 *orig_val);
+enum resp_states rxe_odp_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
+				   u64 compare, u64 swap_add, u64 *orig_val);
 int rxe_odp_flush_pmem_iova(struct rxe_mr *mr, u64 iova,
 			    unsigned int length);
 #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
@@ -208,9 +208,9 @@ static inline int rxe_odp_mr_copy(struct rxe_mr *mr, u64 iova, void *addr,
 {
 	return -EOPNOTSUPP;
 }
-static inline int
+static inline enum resp_states
 rxe_odp_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
-		     u64 compare, u64 swap_add, u64 *orig_val)
+		  u64 compare, u64 swap_add, u64 *orig_val)
 {
 	return RESPST_ERR_UNSUPPORTED_OPCODE;
 }
diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c
index d40fbe10633f..1a74013a14ab 100644
--- a/drivers/infiniband/sw/rxe/rxe_mr.c
+++ b/drivers/infiniband/sw/rxe/rxe_mr.c
@@ -483,8 +483,8 @@ int rxe_flush_pmem_iova(struct rxe_mr *mr, u64 start, unsigned int length)
 /* Guarantee atomicity of atomic operations at the machine level. */
 DEFINE_SPINLOCK(atomic_ops_lock);
 
-int rxe_mr_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
-			u64 compare, u64 swap_add, u64 *orig_val)
+enum resp_states rxe_mr_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
+				     u64 compare, u64 swap_add, u64 *orig_val)
 {
 	unsigned int page_offset;
 	struct page *page;
@@ -536,12 +536,12 @@ int rxe_mr_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
 
 	kunmap_local(va);
 
-	return 0;
+	return RESPST_NONE;
 }
 
 #if defined CONFIG_64BIT
 /* only implemented or called for 64 bit architectures */
-int rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value)
+enum resp_states rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value)
 {
 	unsigned int page_offset;
 	struct page *page;
@@ -578,10 +578,10 @@ int rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value)
 	smp_store_release(&va[page_offset >> 3], value);
 	kunmap_local(va);
 
-	return 0;
+	return RESPST_NONE;
 }
 #else
-int rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value)
+enum resp_states rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value)
 {
 	return RESPST_ERR_UNSUPPORTED_OPCODE;
 }
diff --git a/drivers/infiniband/sw/rxe/rxe_odp.c b/drivers/infiniband/sw/rxe/rxe_odp.c
index 02de05d759c6..fa5e8f5017cc 100644
--- a/drivers/infiniband/sw/rxe/rxe_odp.c
+++ b/drivers/infiniband/sw/rxe/rxe_odp.c
@@ -266,8 +266,9 @@ int rxe_odp_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, int length,
 	return err;
 }
 
-static int rxe_odp_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
-				u64 compare, u64 swap_add, u64 *orig_val)
+static enum resp_states rxe_odp_do_atomic_op(struct rxe_mr *mr, u64 iova,
+					     int opcode, u64 compare,
+					     u64 swap_add, u64 *orig_val)
 {
 	struct ib_umem_odp *umem_odp = to_ib_umem_odp(mr->umem);
 	unsigned int page_offset;
@@ -315,11 +316,11 @@ static int rxe_odp_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
 
 	kunmap_local(va);
 
-	return 0;
+	return RESPST_NONE;
 }
 
-int rxe_odp_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
-			 u64 compare, u64 swap_add, u64 *orig_val)
+enum resp_states rxe_odp_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
+				   u64 compare, u64 swap_add, u64 *orig_val)
 {
 	struct ib_umem_odp *umem_odp = to_ib_umem_odp(mr->umem);
 	int err;