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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-03-27 12:46:26 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-03-27 12:46:26 +0100
commit69197ad70ef6b854988299c1377864f9755cd03d (patch)
treecf467f7a7701b55b18488538ab0a7cf9df50ec27
parent304ffd6d3a145901ac570b8afb6c9936a83c3392 (diff)
ide: fix memleak on failure in probe_for_drive()
Always free drive->id in probe_for_drive() if device is not present. While at it: - remove dead IDE_DFLAG_DEAD flag - remove superfluous IDE_DFLAG_PRESENT check Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
-rw-r--r--drivers/ide/ide-probe.c22
-rw-r--r--include/linux/ide.h2
2 files changed, 9 insertions, 15 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index a3edbb5d045..4b00945cf7d 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -228,15 +228,9 @@ static void do_identify(ide_drive_t *drive, u8 cmd, u16 *id)
m[ATA_ID_PROD_LEN - 1] = '\0';
if (strstr(m, "E X A B Y T E N E S T"))
- goto err_misc;
-
- drive->dev_flags |= IDE_DFLAG_PRESENT;
- drive->dev_flags &= ~IDE_DFLAG_DEAD;
-
- return;
-err_misc:
- kfree(id);
- drive->dev_flags &= ~IDE_DFLAG_PRESENT;
+ drive->dev_flags &= ~IDE_DFLAG_PRESENT;
+ else
+ drive->dev_flags |= IDE_DFLAG_PRESENT;
}
/**
@@ -505,8 +499,7 @@ static u8 probe_for_drive(ide_drive_t *drive)
}
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
- /* drive not found */
- return 0;
+ goto out_free;
/* identification failed? */
if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
@@ -530,7 +523,7 @@ static u8 probe_for_drive(ide_drive_t *drive)
}
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
- return 0;
+ goto out_free;
/* The drive wasn't being helpful. Add generic info only */
if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
@@ -543,7 +536,10 @@ static u8 probe_for_drive(ide_drive_t *drive)
ide_disk_init_mult_count(drive);
}
- return !!(drive->dev_flags & IDE_DFLAG_PRESENT);
+ return 1;
+out_free:
+ kfree(drive->id);
+ return 0;
}
static void hwif_release_dev(struct device *dev)
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 47878719c56..ab8ee4f32f5 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -494,8 +494,6 @@ enum {
IDE_DFLAG_NICE1 = (1 << 5),
/* device is physically present */
IDE_DFLAG_PRESENT = (1 << 6),
- /* device ejected hint */
- IDE_DFLAG_DEAD = (1 << 7),
/* id read from device (synthetic if not set) */
IDE_DFLAG_ID_READ = (1 << 8),
IDE_DFLAG_NOPROBE = (1 << 9),