This fixes an endless loop inside of a spinlock.
This triggers if the tx_status file is read before a packet
has been transmitted.
Signed-off-by: Michael Buesch <mb@xxxxxxxxx>
Index: wireless-dev-new/drivers/net/wireless/b43/debugfs.c
===================================================================
--- wireless-dev-new.orig/drivers/net/wireless/b43/debugfs.c 2007-08-12 16:38:51.000000000 +0200
+++ wireless-dev-new/drivers/net/wireless/b43/debugfs.c 2007-08-13 15:48:06.000000000 +0200
@@ -173,6 +173,10 @@ static ssize_t txstat_read_file(struct f
i = log->end + 1;
idx = 0;
while (1) {
+ if (log->end < 0) {
+ fappend("Nothing transmitted, yet\n");
+ break;
+ }
if (i == B43_NR_LOGGED_TXSTATUS)
i = 0;
stat = &(log->log[i]);
--
-
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