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upas: fix nil pointer dereference

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R=rsc
https://codereview.appspot.com/92650043
This commit is contained in:
David du Colombier 2014-06-05 18:46:28 +02:00
parent c99867c9e0
commit 32c6e78c6c
1 changed files with 2 additions and 2 deletions
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4
src/cmd/upas/smtp/smtp.c
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@ -229,7 +229,7 @@ threadmain(int argc, char **argv)
for(i = 0; i < argc; i++){
if((trv = rcptto(argv[i])) != 0){
/* remember worst error */
if(strcmp(rv, Giveup) != 0)
if(rv != nil && strcmp(rv, Giveup) != 0)
rv = trv;
errs[rcvrs] = strdup(s_to_c(reply));
removenewline(errs[rcvrs]);
@ -241,7 +241,7 @@ threadmain(int argc, char **argv)
}
/* if no ok rcvrs or worst error is retry, give up */
if(ok == 0 || strcmp(rv, Retry) == 0)
if(ok == 0 || (rv != nil && strcmp(rv, Retry) == 0))
goto error;
if(ping){