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staging/fwserial: Use WARN_ONCE when port table is corrupted 

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2012-11-27 21:37:12 -05:00 committed by Greg Kroah-Hartman
parent a321846492
commit 49b2746e14
1 changed files with 3 additions and 8 deletions
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11
drivers/staging/fwserial/fwserial.c
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@ -939,14 +939,9 @@ static void fwserial_destroy(struct kref *kref)
mutex_lock(&port_table_lock);
for (j = 0; j < num_ports; ++i, ++j) {
static bool once;
int corrupt = port_table[i] != ports[j];
if (corrupt && !once) {
WARN(corrupt, "port_table[%d]: %p != ports[%d]: %p",
i, port_table[i], j, ports[j]);
once = true;
port_table_corrupt = true;
}
port_table_corrupt |= port_table[i] != ports[j];
WARN_ONCE(port_table_corrupt, "port_table[%d]: %p != ports[%d]: %p",
i, port_table[i], j, ports[j]);
port_table[i] = NULL;
}