[PATCH 3/6] wl1251: Update wl->nvs_len after wl->nvs is valid

Pali Rohár
2016-12-24T16:57:19Z

In case kmemdup fails thne wl->nvs_len will contains invalid non-zero size.
This patch fixes it.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
---
drivers/net/wireless/ti/wl1251/main.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c
index 24f8866..8971b64 100644
--- a/drivers/net/wireless/ti/wl1251/main.c
+++ b/drivers/net/wireless/ti/wl1251/main.c
@@ -124,8 +124,7 @@ static int wl1251_fetch_nvs(struct wl1251 *wl)
goto out;
}

- wl->nvs_len = fw->size;
- wl->nvs = kmemdup(fw->data, wl->nvs_len, GFP_KERNEL);
+ wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL);

if (!wl->nvs) {
wl1251_error("could not allocate memory for the nvs file");
@@ -133,6 +132,8 @@ static int wl1251_fetch_nvs(struct wl1251 *wl)
goto out;
}

+ wl->nvs_len = fw->size;
+
ret = 0;

out:
--
1.7.9.5