2010-08-11 08:01:19

by Kulikov Vasiliy

[permalink] [raw]
Subject: [PATCH] staging: adis16255: fix sysfs leak

Original code does not call sysfs_remove_group() on error. This can lead
to NULL dereference.

Signed-off-by: Kulikov Vasiliy <[email protected]>
---
drivers/staging/adis16255/adis16255.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/adis16255/adis16255.c b/drivers/staging/adis16255/adis16255.c
index c3e6a4d..8d4d7cb 100644
--- a/drivers/staging/adis16255/adis16255.c
+++ b/drivers/staging/adis16255/adis16255.c
@@ -406,12 +406,14 @@ static int __devinit spi_adis16255_probe(struct spi_device *spi)

status = spi_adis16255_bringup(spiadis);
if (status != 0)
- goto irq_err;
+ goto sysfs_err;

dev_info(&spi->dev, "spi_adis16255 driver added!\n");

return status;

+sysfs_err:
+ sysfs_remove_group(&spiadis->spi->dev.kobj, &adis16255_attr_group);
irq_err:
free_irq(spiadis->irq, spiadis);
gpio_err:
--
1.7.0.4