Messages in this thread Patch in this message | | | From | Laurent Wandrebeck <> | Subject | [patch 1/1] scsi mca_53c9x missing return check for request_region() | Date | Fri, 17 Mar 2006 14:33:05 +0100 |
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Hi, in drivers/scsi/mca_53c9x.c, request_region() is called without checking the return value. Here is a simple patch to fix it. Patch against 2.6.16-rc6-git8. Please CC me on replies. Regards.
Signed-off-by: Laurent Wandrebeck <l.wandrebeck@free.fr>
--- linux-2.6.16-rc6/drivers/scsi/mca_53c9x.c.ori 2006-03-11 23:12:55.000000000 +0100 +++ linux-2.6.16-rc6/drivers/scsi/mca_53c9x.c 2006-03-17 14:20:44.000000000 +0100 @@ -195,7 +195,15 @@ static int mca_esp_detect(struct scsi_ho return 0; }
- request_region(tmp_io_addr, 32, "NCR 53c9x SCSI"); + if (!request_region(tmp_io_addr, 32, "NCR 53c9x SCSI")) { + printk("Unable to request region %d.\n", + tmp_io_addr); + free_dma(esp->dma); + free_irq(esp->irq, esp_intr); + esp_deallocate(esp); + scsi_unregister(esp->ehost); + return 0; + }
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