From: Bartlomiej Zolnierkiewicz Date: Fri, 19 Oct 2007 22:32:35 +0000 (+0200) Subject: slc90e66: fix deadlock on error handling X-Git-Tag: v2.6.24-rc1~128^2~16 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a482958bf60c434dc12ea0491938c8853d9774fb;p=linux-2.6 slc90e66: fix deadlock on error handling * Stop abusing ide_lock lock (switch to a private locking). Fixes same issue as fixed by Alan Cox in atiixp host driver with commit 6c5f8cc33eb2e10b6ab788bbe259fc142a068627. * Bump driver version. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index c457bf4289..eb4445b229 100644 --- a/drivers/ide/pci/slc90e66.c +++ b/drivers/ide/pci/slc90e66.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/slc90e66.c Version 0.18 Aug 9, 2007 + * linux/drivers/ide/pci/slc90e66.c Version 0.19 Sep 24, 2007 * * Copyright (C) 2000-2002 Andre Hedrick * Copyright (C) 2006-2007 MontaVista Software, Inc. @@ -21,6 +21,8 @@ #include +static DEFINE_SPINLOCK(slc90e66_lock); + static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = HWIF(drive); @@ -40,7 +42,7 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) { 2, 1 }, { 2, 3 }, }; - spin_lock_irqsave(&ide_lock, flags); + spin_lock_irqsave(&slc90e66_lock, flags); pci_read_config_word(dev, master_port, &master_data); if (pio > 1) @@ -71,7 +73,7 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) pci_write_config_word(dev, master_port, master_data); if (is_slave) pci_write_config_byte(dev, slave_port, slave_data); - spin_unlock_irqrestore(&ide_lock, flags); + spin_unlock_irqrestore(&slc90e66_lock, flags); } static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed)