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[Qemu-ppc] [PATCH 10/11] pseries: Clean up error handling in ppc_spapr_i


From: David Gibson
Subject: [Qemu-ppc] [PATCH 10/11] pseries: Clean up error handling in ppc_spapr_init()
Date: Fri, 11 Dec 2015 11:11:24 +1100

This function includes a number of explicit fprintf()s and exit()s for
error conditions.  Change these to use error_setg() and &error_fatal
instead.

Signed-off-by: David Gibson <address@hidden>
---
 hw/ppc/spapr.c | 53 +++++++++++++++++++++++++----------------------------
 1 file changed, 25 insertions(+), 28 deletions(-)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index c376748..deaf5c0 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1759,8 +1759,7 @@ static void ppc_spapr_init(MachineState *machine)
     rma_alloc_size = kvmppc_alloc_rma(&rma);
 
     if (rma_alloc_size == -1) {
-        error_report("Unable to create RMA");
-        exit(1);
+        error_setg(&error_fatal, "Unable to create RMA");
     }
 
     if (rma_alloc_size && (rma_alloc_size < node0_size)) {
@@ -1784,9 +1783,9 @@ static void ppc_spapr_init(MachineState *machine)
     }
 
     if (spapr->rma_size > node0_size) {
-        fprintf(stderr, "Error: Numa node 0 has to span the RMA 
(%#08"HWADDR_PRIx")\n",
-                spapr->rma_size);
-        exit(1);
+        error_setg(&error_fatal,
+                   "Numa node 0 has to span the RMA (%#08"HWADDR_PRIx")",
+                   spapr->rma_size);
     }
 
     /* Setup a load limit for the ramdisk leaving room for SLOF and FDT */
@@ -1850,9 +1849,10 @@ static void ppc_spapr_init(MachineState *machine)
         ram_addr_t hotplug_mem_size = machine->maxram_size - machine->ram_size;
 
         if (machine->ram_slots > SPAPR_MAX_RAM_SLOTS) {
-            error_report("Specified number of memory slots %"PRIu64" exceeds 
max supported %d\n",
-                         machine->ram_slots, SPAPR_MAX_RAM_SLOTS);
-            exit(EXIT_FAILURE);
+            error_setg(&error_fatal,
+                       "Specified number of memory slots %" PRIu64
+                       " exceeds max supported %d",
+                       machine->ram_slots, SPAPR_MAX_RAM_SLOTS);
         }
 
         spapr->hotplug_memory.base = ROUND_UP(machine->ram_size,
@@ -1869,19 +1869,17 @@ static void ppc_spapr_init(MachineState *machine)
 
     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin");
     if (!filename) {
-        error_report("Could not find LPAR rtas '%s'", "spapr-rtas.bin");
-        exit(1);
+        error_setg(&error_fatal,
+                   "Could not find LPAR rtas '%s'", "spapr-rtas.bin");
     }
     spapr->rtas_size = get_image_size(filename);
     spapr->rtas_blob = g_malloc(spapr->rtas_size);
     if (load_image_size(filename, spapr->rtas_blob, spapr->rtas_size) < 0) {
-        error_report("Could not load LPAR rtas '%s'", filename);
-        exit(1);
+        error_setg(&error_fatal, "Could not load LPAR rtas '%s'", filename);
     }
     if (spapr->rtas_size > RTAS_MAX_SIZE) {
-        error_report("RTAS too big ! 0x%zx bytes (max is 0x%x)",
-                     (size_t)spapr->rtas_size, RTAS_MAX_SIZE);
-        exit(1);
+        error_setg(&error_fatal, "RTAS too big ! 0x%zx bytes (max is 0x%x)",
+                   (size_t)spapr->rtas_size, RTAS_MAX_SIZE);
     }
     g_free(filename);
 
@@ -1944,9 +1942,9 @@ static void ppc_spapr_init(MachineState *machine)
     }
 
     if (spapr->rma_size < (MIN_RMA_SLOF << 20)) {
-        fprintf(stderr, "qemu: pSeries SLOF firmware requires >= "
-                "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF);
-        exit(1);
+        error_setg(&error_fatal,
+                   "pSeries SLOF firmware requires >= %ldM guest RMA (Real 
Mode Area memory)",
+                   MIN_RMA_SLOF);
     }
 
     if (kernel_filename) {
@@ -1961,9 +1959,8 @@ static void ppc_spapr_init(MachineState *machine)
             kernel_le = kernel_size > 0;
         }
         if (kernel_size < 0) {
-            fprintf(stderr, "qemu: error loading %s: %s\n",
-                    kernel_filename, load_elf_strerror(kernel_size));
-            exit(1);
+            error_setg(&error_fatal, "error loading %s: %s",
+                       kernel_filename, load_elf_strerror(kernel_size));
         }
 
         /* load initrd */
@@ -1975,9 +1972,9 @@ static void ppc_spapr_init(MachineState *machine)
             initrd_size = load_image_targphys(initrd_filename, initrd_base,
                                               load_limit - initrd_base);
             if (initrd_size < 0) {
-                fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                        initrd_filename);
-                exit(1);
+                error_setg(&error_fatal,
+                           "could not load initial ram disk '%s'",
+                           initrd_filename);
             }
         } else {
             initrd_base = 0;
@@ -1990,13 +1987,13 @@ static void ppc_spapr_init(MachineState *machine)
     }
     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
     if (!filename) {
-        error_report("Could not find LPAR firmware '%s'", bios_name);
-        exit(1);
+        error_setg(&error_fatal,
+                   "Could not find LPAR firmware '%s'", bios_name);
     }
     fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE);
     if (fw_size <= 0) {
-        error_report("Could not load LPAR firmware '%s'", filename);
-        exit(1);
+        error_setg(&error_fatal,
+                   "Could not load LPAR firmware '%s'", filename);
     }
     g_free(filename);
 
-- 
2.5.0




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