[RESEND PATCH 1/6] crypto: caam: Fix null dereference at error path

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From: Rui Miguel Silva <rui.silva@xxxxxxxxxx>

caam_remove already removes the debugfs entry, so we need to remove the one
immediately before calling caam_remove.

This fix a NULL dereference at error paths is caam_probe fail.

[bod: changed name prefix to "crypto: caam: Fix .."]
[bod: added Fixes tag]

Fixes: 67c2315def06 ("crypto: caam - add Queue Interface (QI) backend
support")

Tested-by: Ryan Harkin <ryan.harkin@xxxxxxxxxx>
Signed-off-by: Rui Miguel Silva <rui.silva@xxxxxxxxxx>
Cc: "Horia Geantă" <horia.geanta@xxxxxxx>
Cc: Aymen Sghaier <aymen.sghaier@xxxxxxx>
Cc: Fabio Estevam <fabio.estevam@xxxxxxx>
Cc: Peng Fan <peng.fan@xxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Lukas Auer <lukas.auer@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Bryan O'Donoghue <pure.logic@xxxxxxxxxxxxxxxxx>
---
 drivers/crypto/caam/ctrl.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 027e121..98986d3 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -809,9 +809,6 @@ static int caam_probe(struct platform_device *pdev)
 	return 0;
 
 caam_remove:
-#ifdef CONFIG_DEBUG_FS
-	debugfs_remove_recursive(ctrlpriv->dfs_root);
-#endif
 	caam_remove(pdev);
 	return ret;
 
-- 
2.7.4




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