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fix potential double free(),

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This commit is contained in:
Igor Sysoev 2007-07-19 19:11:57 +00:00
parent 43ae46f401
commit b1ccbdad7b
1 changed files with 5 additions and 2 deletions
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7
src/core/ngx_file.c
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@ -518,6 +518,9 @@ ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree)
} }
ctx->data = data; ctx->data = data;
} else {
data = NULL;
} }
for ( ;; ) { for ( ;; ) {
@ -643,8 +646,8 @@ done:
ngx_free(buf.data); ngx_free(buf.data);
} }
if (ctx->alloc) { if (data) {
ngx_free(ctx->data); ngx_free(data);
ctx->data = prev; ctx->data = prev;
} }