Messages in this thread Patch in this message | | | Date | Tue, 23 Jan 2001 00:37:18 +0100 | From | Rasmus Andersen <> | Subject | [PATCH] make drivers/scsi/fastlane.c check return code of request_irq (241p9) |
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Hi.
(I have not been able to find a maintainer for this code.)
The following patch makes drivers/scsi/fastlane.c check the return code of request_irq and converts (some) error paths to use forward gotos.
It applies cleanly against ac10 and 241p9.
Comments?
--- linux-ac10-clean/drivers/scsi/fastlane.c Mon Oct 16 21:51:16 2000 +++ linux-ac10/drivers/scsi/fastlane.c Sun Jan 21 20:27:17 2001 @@ -96,9 +96,7 @@ * this ID value. Fortunately only Fastlane maps in Z3 space */ if (board < 0x1000000) { - release_mem_region(board+FASTLANE_ESP_ADDR, - sizeof(struct ESP_regs)); - return 0; + goto err_release; } esp = esp_allocate(tpnt, (void *)board+FASTLANE_ESP_ADDR); @@ -146,10 +144,7 @@ if(!address){ printk("Could not remap Fastlane controller memory!"); - scsi_unregister (esp->ehost); - release_mem_region(board+FASTLANE_ESP_ADDR, - sizeof(struct ESP_regs)); - return 0; + goto err_unregister; } @@ -171,8 +166,11 @@ esp->irq = IRQ_AMIGA_PORTS; esp->slot = board+FASTLANE_ESP_ADDR; - request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ, - "Fastlane SCSI", esp_intr); + if (request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ, + "Fastlane SCSI", esp_intr)) { + printk(KERN_WARNING "Fastlane: Could not get IRQ%d, aborting.\n", esp_intr); + goto err_unmap; + } /* Controller ID */ esp->scsi_id = 7; @@ -188,6 +186,15 @@ return esps_in_use; } } + return 0; + + err_unmap: + iounmap(board, z->resource.end-board+1); + err_unregister: + scsi_unregister (esp->ehost); + err_release: + release_mem_region(board+FASTLANE_ESP_ADDR, + sizeof(struct ESP_regs)); return 0; } -- Regards, Rasmus(rasmus@jaquet.dk)
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