diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2023-07-28 11:50:35 +0300 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2023-08-24 04:04:17 +0300 |
| commit | eb38b9529aefa344cbfde25a274c2b6f2931648b (patch) | |
| tree | b18e079d8e47b84cd2c5db75b5a5ffcfacad45d3 /drivers/of | |
| parent | ee32072fd12561b6f5fdf96fef7cf6acc323b564 (diff) | |
| download | linux-eb38b9529aefa344cbfde25a274c2b6f2931648b.tar.xz | |
of: overlay: unittest: Add test for unresolved symbol
Add a test to exercise the error paths when trying to apply an overlay
with an unresolved symbol and cleaning up the resulting partial state.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/580394587976975770c84411896fce9fbbcf25fa.1690533838.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/unittest-data/Makefile | 3 | ||||
| -rw-r--r-- | drivers/of/unittest-data/overlay_bad_unresolved.dtso | 7 | ||||
| -rw-r--r-- | drivers/of/unittest.c | 17 |
3 files changed, 26 insertions, 1 deletions
diff --git a/drivers/of/unittest-data/Makefile b/drivers/of/unittest-data/Makefile index 1aa875088159..01a966e39f23 100644 --- a/drivers/of/unittest-data/Makefile +++ b/drivers/of/unittest-data/Makefile @@ -33,7 +33,8 @@ obj-$(CONFIG_OF_OVERLAY) += overlay.dtbo.o \ overlay_gpio_03.dtbo.o \ overlay_gpio_04a.dtbo.o \ overlay_gpio_04b.dtbo.o \ - overlay_pci_node.dtbo.o + overlay_pci_node.dtbo.o \ + overlay_bad_unresolved.dtbo.o # enable creation of __symbols__ node DTC_FLAGS_overlay += -@ diff --git a/drivers/of/unittest-data/overlay_bad_unresolved.dtso b/drivers/of/unittest-data/overlay_bad_unresolved.dtso new file mode 100644 index 000000000000..3b75a53ae8a4 --- /dev/null +++ b/drivers/of/unittest-data/overlay_bad_unresolved.dtso @@ -0,0 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 +/dts-v1/; +/plugin/; + +&this_label_does_not_exist { + status = "ok"; +}; diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 18ccfdc3dd89..9c0f352cb241 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -3336,6 +3336,7 @@ OVERLAY_INFO_EXTERN(overlay_bad_add_dup_node); OVERLAY_INFO_EXTERN(overlay_bad_add_dup_prop); OVERLAY_INFO_EXTERN(overlay_bad_phandle); OVERLAY_INFO_EXTERN(overlay_bad_symbol); +OVERLAY_INFO_EXTERN(overlay_bad_unresolved); /* entries found by name */ static struct overlay_info overlays[] = { @@ -3372,6 +3373,7 @@ static struct overlay_info overlays[] = { OVERLAY_INFO(overlay_bad_add_dup_prop, -EINVAL, -ENODEV), OVERLAY_INFO(overlay_bad_phandle, -EINVAL, 0), OVERLAY_INFO(overlay_bad_symbol, -EINVAL, -ENODEV), + OVERLAY_INFO(overlay_bad_unresolved, -EINVAL, 0), /* end marker */ { } }; @@ -3776,6 +3778,21 @@ static __init void of_unittest_overlay_high_level(void) EXPECT_END(KERN_ERR, "OF: changeset: apply failed: REMOVE_PROPERTY /testcase-data-2/substation@100/hvac-medium-2:name"); + /* --- overlay_bad_unresolved --- */ + + EXPECT_BEGIN(KERN_ERR, + "OF: resolver: node label 'this_label_does_not_exist' not found in live devicetree symbols table"); + EXPECT_BEGIN(KERN_ERR, + "OF: resolver: overlay phandle fixup failed: -22"); + + unittest(overlay_data_apply("overlay_bad_unresolved", NULL), + "Adding overlay 'overlay_bad_unresolved' failed\n"); + + EXPECT_END(KERN_ERR, + "OF: resolver: overlay phandle fixup failed: -22"); + EXPECT_END(KERN_ERR, + "OF: resolver: node label 'this_label_does_not_exist' not found in live devicetree symbols table"); + return; err_unlock: |