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Remove a dead check for errmsg in handle_control_authenticate

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Coverity doesn't like doing NULL checks on things that can't be
NULL; I like checking things where the logic for their not being
NULL is nontrivial.  Let's compromise, and make it obvious that this
field can't be NULL.

[Coverity CID 202004]
This commit is contained in:
Nick Mathewson 2014-08-21 10:27:43 -04:00
parent e6a05c1c54
commit c9cac69ac6
1 changed files with 2 additions and 3 deletions
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5
src/or/control.c
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@ -1039,7 +1039,7 @@ handle_control_authenticate(control_connection_t *conn, uint32_t len,
{
int used_quoted_string = 0;
const or_options_t *options = get_options();
const char *errstr = NULL;
const char *errstr = "Unknown error";
char *password;
size_t password_len;
const char *cp;
@ -1199,8 +1199,7 @@ handle_control_authenticate(control_connection_t *conn, uint32_t len,
err:
tor_free(password);
connection_printf_to_buf(conn, "515 Authentication failed: %s\r\n",
errstr ? errstr : "Unknown reason.");
connection_printf_to_buf(conn, "515 Authentication failed: %s\r\n", errstr);
connection_mark_for_close(TO_CONN(conn));
return 0;
ok: