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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-27 11:46:26 (GMT) |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-27 11:46:26 (GMT) |
commit | 69197ad70ef6b854988299c1377864f9755cd03d (patch) | |
tree | cf467f7a7701b55b18488538ab0a7cf9df50ec27 | |
parent | 304ffd6d3a145901ac570b8afb6c9936a83c3392 (diff) | |
download | linux-fsl-qoriq-69197ad70ef6b854988299c1377864f9755cd03d.tar.xz |
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.c | 22 | ||||
-rw-r--r-- | include/linux/ide.h | 2 |
2 files changed, 9 insertions, 15 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index a3edbb5..4b00945 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 4787871..ab8ee4f 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), |