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Fix to bug #610, http://bugs.mariadb.com/show_bug.cgi?id=610

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Fixes to Coverity issues 72728, 72755, 72745
This commit is contained in:
VilhoRaatikka
2014-11-05 14:41:04 +02:00
parent 5886ac3d31
commit 8b91a5f078
3 changed files with 45 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
server/core/dbusers.c
View File

@ -855,9 +855,6 @@ static int uh_cmpfun( void* v1, void* v2) {
if (v1 == NULL || v2 == NULL)
return 0;
if (hu1 == NULL || hu2 == NULL)
return 0;
if (hu1->user == NULL || hu2->user == NULL)
return 0;
@ -961,9 +958,6 @@ char *mysql_format_user_entry(void *data)
entry = (MYSQL_USER_HOST *) data;
if (entry == NULL)
return NULL;
mysql_user = (char *) calloc(mysql_user_len, sizeof(char));
if (mysql_user == NULL)

7
server/core/dcb.c
View File

@ -1155,10 +1155,9 @@ dcb_close(DCB *dcb)
} else {
LOGIF(LE, (skygw_log_write(
LOGFILE_ERROR,
"%lu [dcb_close] Error : Removing dcb %p in state %s from "
"Error : Removing DCB fd == %d in state %s from "
"poll set failed.",
pthread_self(),
dcb,
dcb->fd,
STRDCBSTATE(dcb->state))));
}
@ -1670,7 +1669,7 @@ static bool dcb_set_state_nomutex(
"Old state %s > new state %s.",
pthread_self(),
dcb,
STRDCBSTATE(*old_state),
(old_state == NULL ? "NULL" : STRDCBSTATE(*old_state)),
STRDCBSTATE(new_state))));
}
return succp;

55
server/modules/filter/qlafilter.c
View File

@ -40,6 +40,7 @@
*/
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include <filter.h>
#include <modinfo.h>
#include <modutil.h>
@ -265,10 +266,17 @@ char *remote, *userName;
(char *)malloc(strlen(my_instance->filebase) + 20))
== NULL)
{
LOGIF(LE, (skygw_log_write(
LOGFILE_ERROR,
"Error : Memory allocation for qla filter "
"file name failed due to %d, %s.",
errno,
strerror(errno))));
free(my_session);
return NULL;
}
my_session->active = 1;
if (my_instance->source
&& (remote = session_get_remote(session)) != NULL)
{
@ -276,16 +284,45 @@ char *remote, *userName;
my_session->active = 0;
}
userName = session_getUser(session);
if (my_instance->userName && userName && strcmp(userName,
my_instance->userName))
my_session->active = 0;
sprintf(my_session->filename, "%s.%d", my_instance->filebase,
my_instance->sessions);
my_instance->sessions++;
if (my_session->active)
my_session->fp = fopen(my_session->filename, "w");
}
if (my_instance->userName &&
userName &&
strcmp(userName,my_instance->userName))
{
my_session->active = 0;
}
sprintf(my_session->filename, "%s.%d",
my_instance->filebase,
my_instance->sessions);
my_instance->sessions++;
if (my_session->active)
{
my_session->fp = fopen(my_session->filename, "w");
if (my_session->fp == NULL)
{
LOGIF(LE, (skygw_log_write(
LOGFILE_ERROR,
"Error : Opening output file for qla "
"fileter failed due to %d, %s",
errno,
strerror(errno))));
free(my_session->filename);
free(my_session);
my_session = NULL;
}
}
}
else
{
LOGIF(LE, (skygw_log_write(
LOGFILE_ERROR,
"Error : Memory allocation for qla filter failed due to "
"%d, %s.",
errno,
strerror(errno))));
}
return my_session;
}