[gnurl] 132/151: multi: free sockhash on OOM

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ng0 pushed a commit to branch master
in repository gnurl.

commit 29ca9fc596c808c0ea716681af4743914f4003f5
Author: Daniel Stenberg <address@hidden>
AuthorDate: Fri Dec 13 17:45:21 2019 +0100

    multi: free sockhash on OOM
    
    This would otherwise leak memory in the error path.
    
    Detected by torture test 1540.
    
    Closes #4713
---
 lib/multi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/multi.c b/lib/multi.c
index cc11ea617..6d819b4aa 100755
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -260,6 +260,7 @@ static struct Curl_sh_entry *sh_addentry(struct curl_hash 
*sh,
 
   /* make/add new hash entry */
   if(!Curl_hash_add(sh, (char *)&s, sizeof(curl_socket_t), check)) {
+    Curl_hash_destroy(&check->transfers);
     free(check);
     return NULL; /* major failure */
   }

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