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| author | Zack Rusin <zack@kde.org> | 2009-06-20 21:19:57 -0400 |
|---|---|---|
| committer | Zack Rusin <zack@kde.org> | 2009-07-06 17:21:37 -0400 |
| commit | 4873031e29e0e8f654f78307e6ec885e68a54d86 (patch) | |
| tree | ec6469eec2588f82c2049e260dbcb5c42f0a34e1 /src/gallium/auxiliary/util/u_cache.c | |
| parent | 21cce6afb03bf9b9adfc6d8a1a446bb3ef22c7a8 (diff) | |
util: fix possible null pointer usage
found by the clang static analyzer
Diffstat (limited to 'src/gallium/auxiliary/util/u_cache.c')
| -rw-r--r-- | src/gallium/auxiliary/util/u_cache.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_cache.c b/src/gallium/auxiliary/util/u_cache.c index 41cd38171f..47c16b1c92 100644 --- a/src/gallium/auxiliary/util/u_cache.c +++ b/src/gallium/auxiliary/util/u_cache.c @@ -137,6 +137,8 @@ util_cache_set(struct util_cache *cache, struct util_cache_entry *entry; assert(cache); + if (!cache) + return; entry = util_cache_entry_get(cache, key); util_cache_entry_destroy(cache, entry); @@ -158,6 +160,8 @@ util_cache_get(struct util_cache *cache, struct util_cache_entry *entry; assert(cache); + if (!cache) + return NULL; entry = util_cache_entry_get(cache, key); if(!entry->key && !entry->value) @@ -176,7 +180,9 @@ util_cache_clear(struct util_cache *cache) uint32_t i; assert(cache); - + if (!cache) + return; + for(i = 0; i < cache->size; ++i) util_cache_entry_destroy(cache, &cache->entries[i]); } @@ -186,6 +192,8 @@ void util_cache_destroy(struct util_cache *cache) { assert(cache); + if (!cache) + return; #ifdef DEBUG if(cache->count >= 20*cache->size) { |