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authorSean MacLennan <seanm@seanm.ca>2015-11-15 19:51:43 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-07 20:01:45 -0800
commit0bd35534933feceb7afb383ce7947f2841132c99 (patch)
tree10c6441bb35a9a8af525151c3bb97629a06f1b1c /drivers/staging/rtl8192e
parentf52e240816cb268a11fee011aa9b7dc4185d9ded (diff)
staging:rtl8192e: Usage count off by one
The rtllib driver is not calling try_module_get() when loading the encryption modules. Because of this, you can never remove the module once you have used it one (i.e. bring up the wireless interface). Signed-off-by: Sean MacLennan <seanm@seanm.ca> Tested-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8192e')
-rw-r--r--drivers/staging/rtl8192e/rtllib_softmac.c2
-rw-r--r--drivers/staging/rtl8192e/rtllib_wx.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index d0fedb0ff132..acccf9b44b98 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -3328,7 +3328,7 @@ static int rtllib_wpa_set_encryption(struct rtllib_device *ieee,
goto done;
}
new_crypt->ops = ops;
- if (new_crypt->ops)
+ if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv =
new_crypt->ops->init(param->u.crypt.idx);
diff --git a/drivers/staging/rtl8192e/rtllib_wx.c b/drivers/staging/rtl8192e/rtllib_wx.c
index 80f7a099dff1..84e6272f28cd 100644
--- a/drivers/staging/rtl8192e/rtllib_wx.c
+++ b/drivers/staging/rtl8192e/rtllib_wx.c
@@ -623,7 +623,7 @@ int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
goto done;
}
new_crypt->ops = ops;
- if (new_crypt->ops)
+ if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv = new_crypt->ops->init(idx);
if (new_crypt->priv == NULL) {