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ath6kl: fix memory leak in ath6kl_fwlog_block_read()

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If, in
drivers/net/wireless/ath/ath6kl/debug.c::ath6kl_fwlog_block_read(),
the call to wait_for_completion_interruptible() returns -ERESTARTSYS
then we'll return without freeing the (as yet unused) memory we
allocated for 'buf' - thus leaking it.

Signed-off-by: Jesper Juhl <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
This commit is contained in:
Jesper Juhl authored and Kalle Valo committed 2012-04-13 14:42:15 +03:00
1 parent 6146ca6903
commit ae9a3405fd
1 file changed
+3 -1
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drivers/net/wireless/ath/ath6kl/debug.c
+3 -1
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@@ -407,8 +407,10 @@ static ssize_t ath6kl_fwlog_block_read(struct file *file,
ret = wait_for_completion_interruptible(
&ar->debug.fwlog_completion);
if (ret == -ERESTARTSYS)
if (ret == -ERESTARTSYS) {
vfree(buf);
return ret;
}
spin_lock(&ar->debug.fwlog_queue.lock);
}