[dahdi-commits] sruffell: branch linux/sruffell/improved_ecreference r6960 - /linux/team/sruf...

[SVN commits to the DAHDI project]

Author: sruffell
Date: Tue Aug 11 15:25:07 2009
New Revision: 6960

URL: http://svn.asterisk.org/svn-view/dahdi?view=rev&rev=6960
Log:
wcte12xp-wip: Cleanup after ourselves after a failed start.

Also, no need to prestuff the fifo at start.

Modified:
    linux/team/sruffell/improved_ecreference/drivers/dahdi/wcte12xp/base.c

Modified: linux/team/sruffell/improved_ecreference/drivers/dahdi/wcte12xp/base.c
URL: http://svn.asterisk.org/svn-view/dahdi/linux/team/sruffell/improved_ecreference/drivers/dahdi/wcte12xp/base.c?view=diff&rev=6960&r1=6959&r2=6960
==============================================================================
--- linux/team/sruffell/improved_ecreference/drivers/dahdi/wcte12xp/base.c (original)
+++ linux/team/sruffell/improved_ecreference/drivers/dahdi/wcte12xp/base.c Tue Aug 11 15:25:07 2009
@@ -650,8 +650,10 @@
 		free_cmd(wc, cmd);
 	}
 
-	for (x = 0; x < ARRAY_SIZE(wc->ec_reference); ++x)
-		kfifo_free(wc->ec_reference[x]);
+	for (x = 0; x < ARRAY_SIZE(wc->ec_reference); ++x) {
+		if (wc->ec_reference[x])
+			kfifo_free(wc->ec_reference[x]);
+	}
 
 	kfree(wc);
 }
@@ -884,23 +886,6 @@
 static int t1xxp_startup(struct dahdi_span *span)
 {
 	struct t1 *wc = span->pvt;
-	int i;
-	int x;
-	unsigned char buffer[DAHDI_CHUNKSIZE];
-
-	/* initialize the start value for the entire chunk of last ec buffer */
-	for (i = 0; i < span->channels; i++) {
-		__kfifo_reset(wc->ec_reference[i]);
-		for (x = 0; x < DAHDI_CHUNKSIZE; ++x)
-			buffer[x] = DAHDI_LIN2X(0, span->chans[i]);
-
-		for (x = 0; x < __kfifo_len(wc->ec_reference[i]);
-		     x += DAHDI_CHUNKSIZE) {
-			__kfifo_put(wc->ec_reference[i], buffer,
-				    ARRAY_SIZE(buffer));
-		}
-	}
-
 	/* Reset framer with proper parameters and start */
 	t1xxp_framer_start(wc, span);
 	debug_printk(1, "Calling startup (flags is %lu)\n", span->flags);
@@ -1756,6 +1741,14 @@
 		wc->ec_reference[x] = kfifo_alloc(DAHDI_CHUNKSIZE *
 						  VOICEBUS_MAX_LATENCY,
 						  GFP_KERNEL, &wc->reglock);
+
+		if (IS_ERR(wc->ec_reference[x])) {
+			res = PTR_ERR(wc->ec_reference[x]);
+			wc->ec_reference[x] = NULL;
+			free_wc(wc);
+			return res;
+		}
+
 	}
 
 	snprintf(wc->name, sizeof(wc->name)-1, "wcte12xp%d", index);