diff options
| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-10-25 22:55:04 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2012-11-09 17:32:27 +0800 |
| commit | d48e366e6efe46e0a6744980c18582fb0919a727 (patch) | |
| tree | 5875f5ebd96d8d6b243805f5b1bb0f0cc839a0c4 /drivers/crypto | |
| parent | 3200da8d9afb3d0dc617515a2fe364d9d59ef523 (diff) | |
| download | linux-d48e366e6efe46e0a6744980c18582fb0919a727.tar.bz2 | |
crypto: tegra-aes - fix error-valued pointer dereference
clk_put(dd->aes_clk) will dereference an error-valued pointer since the
dd->aes_clk is a ERR_PTR() value. The correct check is call clk_put()
if !IS_ERR(dd->aes_clk).
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/tegra-aes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/tegra-aes.c b/drivers/crypto/tegra-aes.c index 19adf1c7faa2..93059dc591aa 100644 --- a/drivers/crypto/tegra-aes.c +++ b/drivers/crypto/tegra-aes.c @@ -1035,7 +1035,7 @@ out: if (dd->buf_out) dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES, dd->buf_out, dd->dma_buf_out); - if (IS_ERR(dd->aes_clk)) + if (!IS_ERR(dd->aes_clk)) clk_put(dd->aes_clk); if (aes_wq) destroy_workqueue(aes_wq); |