From: Wei Yongjun weiyongjun1@huawei.com
[ Upstream commit 4c3e48794dec7cb568974ba3bf2ab62b9c45ca3e ]
When using single_open() for opening, single_release() should be used instead of seq_release(), otherwise there is a memory leak.
This is detected by Coccinelle semantic patch.
Fixes: 610247f46feb ("rtlwifi: Improve debugging by using debugfs") Signed-off-by: Wei Yongjun weiyongjun1@huawei.com Signed-off-by: Kalle Valo kvalo@codeaurora.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/realtek/rtlwifi/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtlwifi/debug.c b/drivers/net/wireless/realtek/rtlwifi/debug.c index d70385be99762..498994041bbcb 100644 --- a/drivers/net/wireless/realtek/rtlwifi/debug.c +++ b/drivers/net/wireless/realtek/rtlwifi/debug.c @@ -109,7 +109,7 @@ static const struct file_operations file_ops_common = { .open = dl_debug_open_common, .read = seq_read, .llseek = seq_lseek, - .release = seq_release, + .release = single_release, };
static int rtl_debug_get_mac_page(struct seq_file *m, void *v)