Messages in this thread Patch in this message | | | From | Jiasheng Jiang <> | Subject | [PATCH] scsi: nsp_cs: Check of ioremap return value | Date | Thu, 30 Dec 2021 10:11:37 +0800 |
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As the possible failure of the ioremap(), the 'data->MmioAddress' could be NULL. Therefore it should be better to check it in order to transfer the error.
Fixes: 0e6f9d270840 ("pcmcia: use pcmcia_loop_config in scsi pcmcia drivers") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> --- drivers/scsi/pcmcia/nsp_cs.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index ac89002646a3..bcd61439ca3f 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -1560,6 +1560,9 @@ static int nsp_cs_config_check(struct pcmcia_device *p_dev, void *priv_data) data->MmioAddress = (unsigned long) ioremap(p_dev->resource[2]->start, resource_size(p_dev->resource[2])); + if (!data->MmioAddress) + goto next_entry; + data->MmioLength = resource_size(p_dev->resource[2]); } /* If we got this far, we're cool! */ -- 2.25.1
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