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[Qemu-devel] [PATCH 14/20] vvfat: correctly propagate errors


From: Paolo Bonzini
Subject: [Qemu-devel] [PATCH 14/20] vvfat: correctly propagate errors
Date: Sun, 9 Feb 2014 10:48:49 +0100

Before:
    $ ./qemu-io-old
    qemu-io-old> open -r -o driver=vvfat,fat-type=24,dir=i386-softmmu
    Valid FAT types are only 12, 16 and 32
    qemu-io-old: can't open device (null): Could not open image: Invalid 
argument

After:
    $ ./qemu-io
    qemu-io> open -r -o driver=vvfat,fat-type=24,dir=i386-softmmu
    qemu-io: can't open device (null): Valid FAT types are only 12, 16 and 32

Signed-off-by: Paolo Bonzini <address@hidden>
---
 block/vvfat.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/block/vvfat.c b/block/vvfat.c
index 664941c..7c3521a 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -1086,16 +1086,14 @@ DLOG(if (stderr == NULL) {
     opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
     qemu_opts_absorb_qdict(opts, options, &local_err);
     if (error_is_set(&local_err)) {
-        qerror_report_err(local_err);
-        error_free(local_err);
+        error_propagate(errp, local_err);
         ret = -EINVAL;
         goto fail;
     }
 
     dirname = qemu_opt_get(opts, "dir");
     if (!dirname) {
-        qerror_report(ERROR_CLASS_GENERIC_ERROR, "vvfat block driver requires "
-                      "a 'dir' option");
+        error_setg(errp, "vvfat block driver requires a 'dir' option");
         ret = -EINVAL;
         goto fail;
     }
@@ -1135,8 +1133,7 @@ DLOG(if (stderr == NULL) {
     case 12:
         break;
     default:
-        qerror_report(ERROR_CLASS_GENERIC_ERROR, "Valid FAT types are only "
-                      "12, 16 and 32");
+        error_setg(errp, "Valid FAT types are only 12, 16 and 32");
         ret = -EINVAL;
         goto fail;
     }
-- 
1.8.5.3





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