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can: mcp25xxfd: mcp25xxfd_ring_free(): fix memory leak during cleanup 

This loop doesn't free the first element of the array.  The "i > 0" has
to be changed to "i >= 0".

Fixes: 55e5b97f00 ("can: mcp25xxfd: add driver for Microchip MCP25xxFD SPI CAN")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200923112752.GA1473821@mwanda
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Dan Carpenter 2020-09-23 14:27:52 +03:00 committed by Marc Kleine-Budde
parent f5b84dedf7
commit 8cffc6fe65
1 changed files with 1 additions and 1 deletions
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2
drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c
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@ -377,7 +377,7 @@ static void mcp25xxfd_ring_free(struct mcp25xxfd_priv *priv)
{ {
int i; int i;
for (i = ARRAY_SIZE(priv->rx) - 1; i > 0; i--) { for (i = ARRAY_SIZE(priv->rx) - 1; i >= 0; i--) {
kfree(priv->rx[i]); kfree(priv->rx[i]);
priv->rx[i] = NULL; priv->rx[i] = NULL;
} }