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[PULL,16/41] xen-hvm: Mark inappropriate error handling FIXME

Message ID 1452699819-26608-17-git-send-email-armbru@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Markus Armbruster Jan. 13, 2016, 3:43 p.m. UTC 
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: xen-devel@lists.xensource.com
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1450370121-5768-14-git-send-email-armbru@redhat.com>
---
 xen-hvm.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/xen-hvm.c b/xen-hvm.c
index 3d78a0c..2a93390 100644
--- a/xen-hvm.c
+++ b/xen-hvm.c
@@ -240,6 +240,7 @@  static void xen_ram_init(PCMachineState *pcms,
 
 void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr)
 {
+    /* FIXME caller ram_block_add() wants error_setg() on failure */
     unsigned long nr_pfn;
     xen_pfn_t *pfn_list;
     int i;
@@ -1192,6 +1193,12 @@  static void xen_wakeup_notifier(Notifier *notifier, void *data)
 int xen_hvm_init(PCMachineState *pcms,
                  MemoryRegion **ram_memory)
 {
+    /*
+     * FIXME Returns -1 without cleaning up on some errors (harmless
+     * as long as the caller exit()s on error), dies with hw_error()
+     * on others.  hw_error() isn't approprate here.  Should probably
+     * simply exit() on all errors.
+     */
     int i, rc;
     xen_pfn_t ioreq_pfn;
     xen_pfn_t bufioreq_pfn;