Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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>
authored by Jiasheng Jiang and committed by Martin K. Petersen 2576e153 3ba880a1
+3
drivers/scsi/pcmcia/nsp_cs.c
+3
drivers/scsi/pcmcia/nsp_cs.c
···
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data->MmioAddress = (unsigned long)
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ioremap(p_dev->resource[2]->start,
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resource_size(p_dev->resource[2]));
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+
if (!data->MmioAddress)
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+
goto next_entry;
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+
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data->MmioLength = resource_size(p_dev->resource[2]);
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}
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/* If we got this far, we're cool! */