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tftp.c: fix possible dereference of null pointer

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This commit is contained in:
Marc Hoersken 2014-04-18 23:53:48 +02:00
parent 667d133dab
commit 3f74e149f8
1 changed files with 3 additions and 0 deletions
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lib/tftp.c
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@ -1320,7 +1320,10 @@ static CURLcode tftp_do(struct connectdata *conn, bool *done)
if(code) if(code)
return code; return code;
} }
state = (tftp_state_data_t *)conn->proto.tftpc; state = (tftp_state_data_t *)conn->proto.tftpc;
if(!state)
return CURLE_BAD_CALLING_ORDER;
code = tftp_perform(conn, done); code = tftp_perform(conn, done);