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| author | Greg Kroah-Hartman <gregkh@suse.de> | 2007-04-09 11:52:31 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-04-27 10:57:30 -0700 |
| commit | c401110186cc0ce2f0e4a03695af115e6c177d95 (patch) | |
| tree | 21f96b7e3a26a90b7ce21145856aed917567c5c1 /drivers/ide/ide-proc.c | |
| parent | 79580057de60867f535b7e7ec17c85709853d6bf (diff) | |
| download | linux-stable-c401110186cc0ce2f0e4a03695af115e6c177d95.tar.gz linux-stable-c401110186cc0ce2f0e4a03695af115e6c177d95.tar.bz2 linux-stable-c401110186cc0ce2f0e4a03695af115e6c177d95.zip | |
IDE: remove rwsem use from ide-proc core
The subsystem rwsem is not used by the driver core at all, so the use of
it in the ide-proc code of it doesn't make any sense. Perhaps a local
lock might be needed, but I do not really think so.
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: linux ide <linux-ide@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/ide/ide-proc.c')
| -rw-r--r-- | drivers/ide/ide-proc.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index afb71c66b6f3..a9e0b30fb1f2 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -310,14 +310,12 @@ static int proc_ide_read_driver ide_driver_t *ide_drv; int len; - down_read(&dev->bus->subsys.rwsem); if (dev->driver) { ide_drv = container_of(dev->driver, ide_driver_t, gen_driver); len = sprintf(page, "%s version %s\n", dev->driver->name, ide_drv->version); } else len = sprintf(page, "ide-default version 0.9.newide\n"); - up_read(&dev->bus->subsys.rwsem); PROC_IDE_READ_RETURN(page,start,off,count,eof,len); } @@ -327,7 +325,6 @@ static int ide_replace_subdriver(ide_drive_t *drive, const char *driver) int ret = 1; int err; - down_write(&dev->bus->subsys.rwsem); device_release_driver(dev); /* FIXME: device can still be in use by previous driver */ strlcpy(drive->driver_req, driver, sizeof(drive->driver_req)); @@ -345,7 +342,6 @@ static int ide_replace_subdriver(ide_drive_t *drive, const char *driver) } if (dev->driver && !strcmp(dev->driver->name, driver)) ret = 0; - up_write(&dev->bus->subsys.rwsem); return ret; } |