diff mbox series

[5.8,343/464] ice: Graceful error handling in HW table calloc failure

Message ID 20200817143850.201190433@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Aug. 17, 2020, 3:14 p.m. UTC 
From: Surabhi Boob <surabhi.boob@intel.com>

[ Upstream commit bcc46cb8a077c6189b44f1555b8659837f748eb2 ]

In the ice_init_hw_tbls, if the devm_kcalloc for es->written fails, catch
that error and bail out gracefully, instead of continuing with a NULL
pointer.

Fixes: 32d63fa1e9f3 ("ice: Initialize DDP package structures")
Signed-off-by: Surabhi Boob <surabhi.boob@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/intel/ice/ice_flex_pipe.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
index 6698612048625..504a02b071cee 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
@@ -3152,10 +3152,12 @@  enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
 		es->ref_count = devm_kcalloc(ice_hw_to_dev(hw), es->count,
 					     sizeof(*es->ref_count),
 					     GFP_KERNEL);
+		if (!es->ref_count)
+			goto err;
 
 		es->written = devm_kcalloc(ice_hw_to_dev(hw), es->count,
 					   sizeof(*es->written), GFP_KERNEL);
-		if (!es->ref_count)
+		if (!es->written)
 			goto err;
 	}
 	return 0;