diff options
| author | Liang He <windhl@126.com> | 2022-06-30 11:36:57 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-07-08 10:21:16 +0300 |
| commit | 8ccc9cc47c8c9e69c7bd9a7694a1d8c33108dd28 (patch) | |
| tree | e4a0e90b564f04275c6bd4eb775bcaf5c0570bad /drivers/crypto | |
| parent | 9984a6447389a01cc5e8501b2ead3024b2d99c19 (diff) | |
| download | linux-8ccc9cc47c8c9e69c7bd9a7694a1d8c33108dd28.tar.xz | |
crypto: nx - Hold the reference returned by of_find_compatible_node
In nx842_pseries_init(), we should hold the reference returned by
of_find_compatible_node() and use it to call of_node_put to keep
refcount balance.
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/nx/nx-common-pseries.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/crypto/nx/nx-common-pseries.c b/drivers/crypto/nx/nx-common-pseries.c index 7584a34ba88c..3ea334b7f820 100644 --- a/drivers/crypto/nx/nx-common-pseries.c +++ b/drivers/crypto/nx/nx-common-pseries.c @@ -1208,10 +1208,13 @@ static struct vio_driver nx842_vio_driver = { static int __init nx842_pseries_init(void) { struct nx842_devdata *new_devdata; + struct device_node *np; int ret; - if (!of_find_compatible_node(NULL, NULL, "ibm,compression")) + np = of_find_compatible_node(NULL, NULL, "ibm,compression"); + if (!np) return -ENODEV; + of_node_put(np); RCU_INIT_POINTER(devdata, NULL); new_devdata = kzalloc(sizeof(*new_devdata), GFP_KERNEL); |