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Date: Tue, 10 Aug 2021 19:30:45 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Zheyu Ma <zheyuma97@...il.com>, Dominik Brodowski <linux@...inikbrodowski.net> Subject: [PATCH 5.13 137/175] pcmcia: i82092: fix a null pointer dereference bug From: Zheyu Ma <zheyuma97@...il.com> commit e39cdacf2f664b09029e7c1eb354c91a20c367af upstream. During the driver loading process, the 'dev' field was not assigned, but the 'dev' field was referenced in the subsequent 'i82092aa_set_mem_map' function. Signed-off-by: Zheyu Ma <zheyuma97@...il.com> CC: <stable@...r.kernel.org> [linux@...inikbrodowski.net: shorten commit message, add Cc to stable] Signed-off-by: Dominik Brodowski <linux@...inikbrodowski.net> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/pcmcia/i82092.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -112,6 +112,7 @@ static int i82092aa_pci_probe(struct pci for (i = 0; i < socket_count; i++) { sockets[i].card_state = 1; /* 1 = present but empty */ sockets[i].io_base = pci_resource_start(dev, 0); + sockets[i].dev = dev; sockets[i].socket.features |= SS_CAP_PCCARD; sockets[i].socket.map_size = 0x1000; sockets[i].socket.irq_mask = 0;
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