s390/zcrypt: don't leak memory if dev_set_name() fails

When dev_set_name() fails, zcdn_create() doesn't free the newly
allocated resources. Do it.

Fixes: 00fab2350e6b ("s390/zcrypt: multiple zcrypt device nodes support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230831110000.24279-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 4b23c9f7f3e54102a8ee0b97def8e9aa924a8925..6b99f7dd06433a88a9d6012bcef5dc7b8ea6dacc 100644 (file)
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -413,6 +413,7 @@ static int zcdn_create(const char *name)
                         ZCRYPT_NAME "_%d", (int)MINOR(devt));
        nodename[sizeof(nodename) - 1] = '\0';
        if (dev_set_name(&zcdndev->device, nodename)) {
+               kfree(zcdndev);
                rc = -EINVAL;
                goto unlockout;
        }