spapr: Use named enum for function remove_hpte

The function returned a target_ulong which was made from unnamed enum
values. The target_ulong was then assigned to an int variable which
was used in a switch statement.

Using a named enum in both cases makes reviews easier.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 8bad27fb8a92c54287473102880c6bb4e550a337..ed32decebf90e6baea9fae810824b4ce67eea761 100644 (file)
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -121,14 +121,14 @@ static target_ulong h_enter(PowerPCCPU *cpu, sPAPREnvironment *spapr,
     return H_SUCCESS;
 }
 
-enum {
+typedef enum {
     REMOVE_SUCCESS = 0,
     REMOVE_NOT_FOUND = 1,
     REMOVE_PARM = 2,
     REMOVE_HW = 3,
-};
+} RemoveResult;
 
-static target_ulong remove_hpte(CPUPPCState *env, target_ulong ptex,
+static RemoveResult remove_hpte(CPUPPCState *env, target_ulong ptex,
                                 target_ulong avpn,
                                 target_ulong flags,
                                 target_ulong *vp, target_ulong *rp)
@@ -165,7 +165,7 @@ static target_ulong h_remove(PowerPCCPU *cpu, sPAPREnvironment *spapr,
     target_ulong flags = args[0];
     target_ulong pte_index = args[1];
     target_ulong avpn = args[2];
-    int ret;
+    RemoveResult ret;
 
     ret = remove_hpte(env, pte_index, avpn, flags,
                       &args[0], &args[1]);