Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2016-06-20' into staging

Error reporting patches for 2016-06-20

# gpg: Signature made Mon 20 Jun 2016 15:56:15 BST
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2016-06-20:
  log: Fix qemu_set_log_filename() error handling
  log: Fix qemu_set_dfilter_ranges() error reporting
  log: Plug memory leak on multiple -dfilter
  coccinelle: Remove unnecessary variables for function return value
  error: Remove unnecessary local_err variables
  error: Remove NULL checks on error_propagate() calls
  vl: Error messages need to go to stderr, fix some

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 1 insertions, 4 deletions

diff --git a/page_cache.c b/page_cache.c
index a2809db2f5..5f8578736e 100644
--- a/page_cache.c
+++ b/page_cache.c
@@ -111,11 +111,8 @@ void cache_fini(PageCache *cache)
 static size_t cache_get_cache_pos(const PageCache *cache,
                                   uint64_t address)
 {
-    size_t pos;
-
     g_assert(cache->max_num_items);
-    pos = (address / cache->page_size) & (cache->max_num_items - 1);
-    return pos;
+    return (address / cache->page_size) & (cache->max_num_items - 1);
 }
 
 static CacheItem *cache_get_by_addr(const PageCache *cache, uint64_t addr)