error: Use error_report_err() where appropriate

Coccinelle semantic patch:

    @@
    expression E;
    @@
    -    error_report("%s", error_get_pretty(E));
    -    error_free(E);
    +    error_report_err(E);
    @@
    expression E, S;
    @@
    -    error_report("%s", error_get_pretty(E));
    +    error_report_err(E);
    (
         exit(S);
    |
         abort();
    )

Trivial manual touch-ups in block/sheepdog.c.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/hw/char/serial.c b/hw/char/serial.c
index 04918979d8..55011cfd26 100644
--- a/hw/char/serial.c
+++ b/hw/char/serial.c
@@ -906,8 +906,7 @@ SerialState *serial_init(int base, qemu_irq irq, int baudbase,
     s->chr = chr;
     serial_realize_core(s, &err);
     if (err != NULL) {
-        error_report("%s", error_get_pretty(err));
-        error_free(err);
+        error_report_err(err);
         exit(1);
     }
 
@@ -970,8 +969,7 @@ SerialState *serial_mm_init(MemoryRegion *address_space,
 
     serial_realize_core(s, &err);
     if (err != NULL) {
-        error_report("%s", error_get_pretty(err));
-        error_free(err);
+        error_report_err(err);
         exit(1);
     }
     vmstate_register(NULL, base, &vmstate_serial, s);