crypto: caam - no need to check return value of debugfs_create functions

When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: "Horia Geantă" <[email protected]> Cc: Aymen Sghaier <[email protected]> Cc: Herbert Xu <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: [email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]> Reviewed-by: Horia Geantă <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
adn770 · Feb 1, 2019 · fbb371c · fbb371c
1 parent 31e1d26
commit fbb371c
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Showing 2 changed files with 6 additions and 16 deletions.
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
@@ -859,27 +859,18 @@ static int caam_probe(struct platform_device *pdev)
 	/* Internal covering keys (useful in non-secure mode only) */
 	ctrlpriv->ctl_kek_wrap.data = (__force void *)&ctrlpriv->ctrl->kek[0];
 	ctrlpriv->ctl_kek_wrap.size = KEK_KEY_SIZE * sizeof(u32);
-	ctrlpriv->ctl_kek = debugfs_create_blob("kek",
-						S_IRUSR |
-						S_IRGRP | S_IROTH,
-						ctrlpriv->ctl,
-						&ctrlpriv->ctl_kek_wrap);
+	debugfs_create_blob("kek", S_IRUSR | S_IRGRP | S_IROTH, ctrlpriv->ctl,
+			    &ctrlpriv->ctl_kek_wrap);
 
 	ctrlpriv->ctl_tkek_wrap.data = (__force void *)&ctrlpriv->ctrl->tkek[0];
 	ctrlpriv->ctl_tkek_wrap.size = KEK_KEY_SIZE * sizeof(u32);
-	ctrlpriv->ctl_tkek = debugfs_create_blob("tkek",
-						 S_IRUSR |
-						 S_IRGRP | S_IROTH,
-						 ctrlpriv->ctl,
-						 &ctrlpriv->ctl_tkek_wrap);
+	debugfs_create_blob("tkek", S_IRUSR | S_IRGRP | S_IROTH, ctrlpriv->ctl,
+			    &ctrlpriv->ctl_tkek_wrap);
 
 	ctrlpriv->ctl_tdsk_wrap.data = (__force void *)&ctrlpriv->ctrl->tdsk[0];
 	ctrlpriv->ctl_tdsk_wrap.size = KEK_KEY_SIZE * sizeof(u32);
-	ctrlpriv->ctl_tdsk = debugfs_create_blob("tdsk",
-						 S_IRUSR |
-						 S_IRGRP | S_IROTH,
-						 ctrlpriv->ctl,
-						 &ctrlpriv->ctl_tdsk_wrap);
+	debugfs_create_blob("tdsk", S_IRUSR | S_IRGRP | S_IROTH, ctrlpriv->ctl,
+			    &ctrlpriv->ctl_tdsk_wrap);
 #endif
 	return 0;
 

diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h
@@ -106,7 +106,6 @@ struct caam_drv_private {
 	struct dentry *dfs_root;
 	struct dentry *ctl; /* controller dir */
 	struct debugfs_blob_wrapper ctl_kek_wrap, ctl_tkek_wrap, ctl_tdsk_wrap;
-	struct dentry *ctl_kek, *ctl_tkek, *ctl_tdsk;
 #endif
 };