[PATCH AUTOSEL 4.19 23/59] iwlwifi: dbg_ini: fix memory leak in alloc_sgtable

Sasha Levin
2019-10-26T13:30:15Z

From: Navid Emamdoost <navid.emamdoost@gmail.com>

[ Upstream commit b4b814fec1a5a849383f7b3886b654a13abbda7d ]

In alloc_sgtable if alloc_page fails, the alocated table should be
released.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index a31a42e673c46..0d567cc0a2643 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -547,6 +547,7 @@ static struct scatterlist *alloc_sgtable(int size)
if (new_page)
__free_page(new_page);
}
+ kfree(table);
return NULL;
}
alloc_size = min_t(int, size, PAGE_SIZE);
--
2.20.1