From 7e59ea21aab1a91ca31bc64c7d3035ebdbd336d1 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:26 +0200 Subject: ide: check drive->present in ide_get_paired_drive() * Change ide_get_paired_drive() to return NULL if peer device is not present and update all users accordingly. While at it: * ide_get_paired_drive() -> ide_get_pair_dev() * Use ide_get_pair_dev() in cs5530.c, sc1200.c and via82cxxx.c. There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'include/linux/ide.h') diff --git a/include/linux/ide.h b/include/linux/ide.h index a9206c463d7..1d9716a95dc 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1450,10 +1450,10 @@ static inline int hwif_to_node(ide_hwif_t *hwif) return hwif->dev ? dev_to_node(hwif->dev) : -1; } -static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive) +static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); + ide_drive_t *peer = &drive->hwif->drives[(drive->dn ^ 1) & 1]; - return &hwif->drives[(drive->dn ^ 1) & 1]; + return peer->present ? peer : NULL; } #endif /* _IDE_H */ -- cgit v1.2.3