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

[ Upstream commit 6252f47b78031979ad919f971dc8468b893488bd ]

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

Fixes: 00fab2350e ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Andy Shevchenko 2023-08-31 13:59:59 +03:00 committed by Greg Kroah-Hartman
parent c149b61301
commit 6b0cb9c055

View File

@ -397,6 +397,7 @@ 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;
}