[PATCH] fsi: master-ast-cf: Fix memory leak

From: Gustavo A. R. Silva
Date: Wed Jul 25 2018 - 09:38:37 EST


In case memory resources for *fw* were allocated, release them
before return.

Addresses-Coverity-ID: 1472044 ("Resource leak")
Fixes: 6a794a27daca ("fsi: master-ast-cf: Add new FSI master using Aspeed ColdFire")
Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
---
drivers/fsi/fsi-master-ast-cf.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/fsi/fsi-master-ast-cf.c b/drivers/fsi/fsi-master-ast-cf.c
index c4a3557..e39a4630 100644
--- a/drivers/fsi/fsi-master-ast-cf.c
+++ b/drivers/fsi/fsi-master-ast-cf.c
@@ -861,7 +861,8 @@ static int load_copro_firmware(struct fsi_master_acf *master)
if (sig != wanted_sig) {
dev_err(master->dev, "Failed to locate image sig %04x in FW blob\n",
wanted_sig);
- return -ENODEV;
+ rc = -ENODEV;
+ goto release_fw;
}
if (size > master->cf_mem_size) {
dev_err(master->dev, "FW size (%zd) bigger than memory reserve (%zd)\n",
@@ -870,8 +871,9 @@ static int load_copro_firmware(struct fsi_master_acf *master)
} else {
memcpy_toio(master->cf_mem, data, size);
}
- release_firmware(fw);

+release_fw:
+ release_firmware(fw);
return rc;
}

--
2.7.4