[REVERTME] drivers/usbdev/cdcacm.c: Set reqlen properly according to …

…ep->maxpacket and CONFIG_CDCACM_BULKIN_REQLEN The request length may not exceed CONFIG_CDCACM_BULKIN_REQLEN, otherwise buffer overflow will occur This part is already changed in upstream with a slightly different patch Signed-off-by: Jukka Laitinen <[email protected]>
tiiuae · Oct 3, 2024 · 1744058 · 1744058
1 parent 2066f9f
commit 1744058
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/usbdev/cdcacm.c b/drivers/usbdev/cdcacm.c
@@ -395,7 +395,7 @@ static int cdcacm_sndpacket(FAR struct cdcacm_dev_s *priv)
 
   /* Get the maximum number of bytes that will fit into one bulk IN request */
 
-  reqlen = MAX(CONFIG_CDCACM_BULKIN_REQLEN, ep->maxpacket);
+  reqlen = MIN(CONFIG_CDCACM_BULKIN_REQLEN, ep->maxpacket);
 
   while (!sq_empty(&priv->txfree))
     {