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author | antirez <antirez@gmail.com> | 2015-02-05 10:42:09 +0100 |
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committer | antirez <antirez@gmail.com> | 2015-02-11 10:52:26 +0100 |
commit | 777020839a1ba68ea5bd77a5b17648f4b831caf7 (patch) | |
tree | 4cbba9f43581c83703daf79a07f49f334aa60954 | |
parent | 170e41464dfff851f939fd73c1c4ec8a02507859 (diff) | |
download | redis-777020839a1ba68ea5bd77a5b17648f4b831caf7.tar.gz |
dict.c: prevent useless resize to same size.
Related to issue #2306.
-rw-r--r-- | src/dict.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/dict.c b/src/dict.c index a1475772c..26707dd58 100644 --- a/src/dict.c +++ b/src/dict.c @@ -211,6 +211,9 @@ int dictExpand(dict *d, unsigned long size) if (dictIsRehashing(d) || d->ht[0].used > size) return DICT_ERR; + /* Rehashing to the same table size is not useful. */ + if (realsize == d->ht[0].size) return DICT_ERR; + /* Allocate the new hash table and initialize all pointers to NULL */ n.size = realsize; n.sizemask = realsize-1; |