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authorKlaus Schmidinger <vdr@tvdr.de>2003-05-29 15:10:12 +0200
committerKlaus Schmidinger <vdr@tvdr.de>2003-05-29 15:10:12 +0200
commita3efbc248a4764b4c03179fc6a3ce272ee2755e0 (patch)
tree7f330d0a3c41e0d2d00063ef853ef1e9521c093f /eit.c
parent14790d6f7a50f251a412f9171be516a7f00b0e23 (diff)
downloadvdr-a3efbc248a4764b4c03179fc6a3ce272ee2755e0.tar.gz
vdr-a3efbc248a4764b4c03179fc6a3ce272ee2755e0.tar.bz2
Fixed a possible access of invalid file handles in cSIProcessor::Action()
Diffstat (limited to 'eit.c')
-rw-r--r--eit.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/eit.c b/eit.c
index a5b14e76..99eb405f 100644
--- a/eit.c
+++ b/eit.c
@@ -16,7 +16,7 @@
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
- * $Id: eit.c 1.78 2003/05/18 14:10:25 kls Exp $
+ * $Id: eit.c 1.79 2003/05/29 15:04:10 kls Exp $
***************************************************************************/
#include "eit.h"
@@ -1236,10 +1236,17 @@ void cSIProcessor::Action()
// wait until data becomes ready from the bitfilter
if (poll(pfd, NumUsedFilters, 1000) != 0)
{
- for (int a = 0; a < NumUsedFilters ; a++)
+ for (int aa = 0; aa < NumUsedFilters; aa++)
{
- if (pfd[a].revents & POLLIN)
+ if (pfd[aa].revents & POLLIN)
{
+ int a;
+ for (a = 0; a < MAX_FILTERS; a++) {
+ if (pfd[aa].fd == filters[a].handle)
+ break;
+ }
+ if (a >= MAX_FILTERS || !filters[a].inuse) // filter no longer available
+ continue;
// read section
unsigned char buf[4096]; // max. allowed size for any EIT section
int r = safe_read(filters[a].handle, buf, sizeof(buf));