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| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2021-12-30 05:11:37 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-01-10 19:03:42 +0300 |
| commit | 2576e153cd982d540b212e989458edc42ad1b390 (patch) | |
| tree | 338a2378e590bd245b87d951fe43ae51a2ad6835 | |
| parent | 3ba880a12df5aa4488c18281701b5b1bc3d4531a (diff) | |
| download | linux-2576e153cd982d540b212e989458edc42ad1b390.tar.xz | |
scsi: nsp_cs: Check of ioremap return value
Since it is possible for ioremap() to fail, 'data->MmioAddress' could be
NULL. Skip entry if ioremap() fails.
Link: https://lore.kernel.org/r/20211230021137.1823352-1-jiasheng@iscas.ac.cn
Fixes: 0e6f9d270840 ("pcmcia: use pcmcia_loop_config in scsi pcmcia drivers")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/pcmcia/nsp_cs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index 8b9e889bc306..92c818a8a84a 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -1557,6 +1557,9 @@ 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! */ |