From: Rasmus Andersen <rasmus@jaquet.dk>
To: Roman.Hodek@informatik.uni-erlangen.de
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] make drivers/scsi/atari_scsi.c check request_irq (240p3)
Date: Sun, 14 Jan 2001 20:35:09 +0100 [thread overview]
Message-ID: <20010114203509.D602@jaquet.dk> (raw)
In-Reply-To: <20010114195323.B602@jaquet.dk>
In-Reply-To: <20010114195323.B602@jaquet.dk>; from rasmus@jaquet.dk on Sun, Jan 14, 2001 at 07:53:23PM +0100
Hi again and sorry for the noise.
Hans Grobler kindly pointed me towards scsi_unregister which I heppily had
ignored. The following patch includes this function in the exit paths.
Otherwise it is identical to the earlier one.
--- linux-ac9/drivers/scsi/atari_scsi.c.org Sun Jan 14 19:41:56 2001
+++ linux-ac9/drivers/scsi/atari_scsi.c Sun Jan 14 20:29:30 2001
@@ -690,19 +690,29 @@
/* This int is actually "pseudo-slow", i.e. it acts like a slow
* interrupt after having cleared the pending flag for the DMA
* interrupt. */
- request_irq(IRQ_TT_MFP_SCSI, scsi_tt_intr, IRQ_TYPE_SLOW,
- "SCSI NCR5380", scsi_tt_intr);
+ if (!request_irq(IRQ_TT_MFP_SCSI, scsi_tt_intr, IRQ_TYPE_SLOW,
+ "SCSI NCR5380", scsi_tt_intr)) {
+ printk(KERN_ERR "atari_scsi_detect: cannot allocate irq %d, aborting",IRQ_TT_MFP_SCSI);
+ scsi_unregister(atari_scsi_host);
+ atari_stram_free(atari_dma_buffer);
+ atari_dma_buffer = 0;
+ return 0;
+ }
tt_mfp.active_edge |= 0x80; /* SCSI int on L->H */
#ifdef REAL_DMA
tt_scsi_dma.dma_ctrl = 0;
atari_dma_residual = 0;
-#endif /* REAL_DMA */
-#ifdef REAL_DMA
#ifdef CONFIG_TT_DMA_EMUL
if (MACH_IS_HADES) {
- request_irq(IRQ_AUTO_2, hades_dma_emulator,
- IRQ_TYPE_PRIO, "Hades DMA emulator",
- hades_dma_emulator);
+ if (!request_irq(IRQ_AUTO_2, hades_dma_emulator,
+ IRQ_TYPE_PRIO, "Hades DMA emulator",
+ hades_dma_emulator)) {
+ printk(KERN_ERR "atari_scsi_detect: cannot allocate irq %d, aborting (MACH_IS_HADES)",IRQ_AUTO_2);
+ scsi_unregister(atari_scsi_host);
+ atari_stram_free(atari_dma_buffer);
+ atari_dma_buffer = 0;
+ return 0;
+ }
}
#endif
if (MACH_IS_MEDUSA || MACH_IS_HADES) {
@@ -719,9 +729,8 @@
* the rest data bug is fixed, this can be lowered to 1.
*/
atari_read_overruns = 4;
- }
-#endif
-
+ }
+#endif /*REAL_DMA*/
}
else { /* ! IS_A_TT */
--
Regards,
Rasmus(rasmus@jaquet.dk)
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next prev parent reply other threads:[~2001-01-14 19:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-14 18:53 [PATCH] make drivers/scsi/atari_scsi.c check request_irq (240p3) Rasmus Andersen
2001-01-14 19:35 ` Rasmus Andersen [this message]
2001-01-14 21:29 ` Jeff Garzik
2001-01-14 21:45 ` Rasmus Andersen
2001-01-16 20:57 ` Rasmus Andersen
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