Merge tag 'v5.0-rc7' into patchwork

Linux 5.0-rc7

* tag 'v5.0-rc7': (1667 commits)
  Linux 5.0-rc7
  Input: elan_i2c - add ACPI ID for touchpad in Lenovo V330-15ISK
  Input: st-keyscan - fix potential zalloc NULL dereference
  Input: apanel - switch to using brightness_set_blocking()
  powerpc/64s: Fix possible corruption on big endian due to pgd/pud_present()
  efi/arm: Revert "Defer persistent reservations until after paging_init()"
  arm64, mm, efi: Account for GICv3 LPI tables in static memblock reserve table
  sunrpc: fix 4 more call sites that were using stack memory with a scatterlist
  include/linux/module.h: copy __init/__exit attrs to init/cleanup_module
  Compiler Attributes: add support for __copy (gcc >= 9)
  lib/crc32.c: mark crc32_le_base/__crc32c_le_base aliases as __pure
  auxdisplay: ht16k33: fix potential user-after-free on module unload
  x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls
  i2c: bcm2835: Clear current buffer pointers and counts after a transfer
  i2c: cadence: Fix the hold bit setting
  drm: Use array_size() when creating lease
  dm thin: fix bug where bio that overwrites thin block ignores FUA
  Revert "exec: load_script: don't blindly truncate shebang string"
  Revert "gfs2: read journal in large chunks to locate the head"
  net: ethernet: freescale: set FEC ethtool regs version
  ...

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

2 files changed, 19 insertions, 10 deletions

diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 2c5bbe317353..e31e263cf86b 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -643,8 +643,10 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
 		int bus_format;
 
 		ret = of_property_read_u32(child, "reg", &i);
-		if (ret || i < 0 || i > 1)
-			return -EINVAL;
+		if (ret || i < 0 || i > 1) {
+			ret = -EINVAL;
+			goto free_child;
+		}
 
 		if (!of_device_is_available(child))
 			continue;
@@ -657,7 +659,6 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
 		channel = &imx_ldb->channel[i];
 		channel->ldb = imx_ldb;
 		channel->chno = i;
-		channel->child = child;
 
 		/*
 		 * The output port is port@4 with an external 4-port mux or
@@ -667,13 +668,13 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
 						  imx_ldb->lvds_mux ? 4 : 2, 0,
 						  &channel->panel, &channel->bridge);
 		if (ret && ret != -ENODEV)
-			return ret;
+			goto free_child;
 
 		/* panel ddc only if there is no bridge */
 		if (!channel->bridge) {
 			ret = imx_ldb_panel_ddc(dev, channel, child);
 			if (ret)
-				return ret;
+				goto free_child;
 		}
 
 		bus_format = of_get_bus_format(dev, child);
@@ -689,18 +690,26 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
 		if (bus_format < 0) {
 			dev_err(dev, "could not determine data mapping: %d\n",
 				bus_format);
-			return bus_format;
+			ret = bus_format;
+			goto free_child;
 		}
 		channel->bus_format = bus_format;
+		channel->child = child;
 
 		ret = imx_ldb_register(drm, channel);
-		if (ret)
-			return ret;
+		if (ret) {
+			channel->child = NULL;
+			goto free_child;
+		}
 	}
 
 	dev_set_drvdata(dev, imx_ldb);
 
 	return 0;
+
+free_child:
+	of_node_put(child);
+	return ret;
 }
 
 static void imx_ldb_unbind(struct device *dev, struct device *master,
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index c390924de93d..21e964f6ab5c 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -370,9 +370,9 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
 	if (ret)
 		return ret;
 
-	/* CRTC should be enabled */
+	/* nothing to check when disabling or disabled */
 	if (!crtc_state->enable)
-		return -EINVAL;
+		return 0;
 
 	switch (plane->type) {
 	case DRM_PLANE_TYPE_PRIMARY: