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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-27 10:22:08 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-27 10:22:08 +0300
commitbdac4d8abbfc239886103f7c6ee03abb8011a008 (patch)
treefda39ff9008b28d574ccd647f41a243183663127 /drivers/acpi
parente7deeb9d79d8691f1e6c4c6707471ec3d7b9886b (diff)
parentff1176468d368232b684f75e82563369208bc371 (diff)
downloadlinux-bdac4d8abbfc239886103f7c6ee03abb8011a008.tar.xz
Merge 5.14-rc3 into driver-core-next
We need the driver-core fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/Kconfig2
-rw-r--r--drivers/acpi/utils.c7
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 9d872ea477a6..8f9940f40baa 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -370,7 +370,7 @@ config ACPI_TABLE_UPGRADE
config ACPI_TABLE_OVERRIDE_VIA_BUILTIN_INITRD
bool "Override ACPI tables from built-in initrd"
depends on ACPI_TABLE_UPGRADE
- depends on INITRAMFS_SOURCE!="" && INITRAMFS_COMPRESSION=""
+ depends on INITRAMFS_SOURCE!="" && INITRAMFS_COMPRESSION_NONE
help
This option provides functionality to override arbitrary ACPI tables
from built-in uncompressed initrd.
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index e7ddd281afff..d5cedffeeff9 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -860,11 +860,9 @@ EXPORT_SYMBOL(acpi_dev_present);
* Return the next match of ACPI device if another matching device was present
* at the moment of invocation, or NULL otherwise.
*
- * FIXME: The function does not tolerate the sudden disappearance of @adev, e.g.
- * in the case of a hotplug event. That said, the caller should ensure that
- * this will never happen.
- *
* The caller is responsible for invoking acpi_dev_put() on the returned device.
+ * On the other hand the function invokes acpi_dev_put() on the given @adev
+ * assuming that its reference counter had been increased beforehand.
*
* See additional information in acpi_dev_present() as well.
*/
@@ -880,6 +878,7 @@ acpi_dev_get_next_match_dev(struct acpi_device *adev, const char *hid, const cha
match.hrv = hrv;
dev = bus_find_device(&acpi_bus_type, start, &match, acpi_dev_match_cb);
+ acpi_dev_put(adev);
return dev ? to_acpi_device(dev) : NULL;
}
EXPORT_SYMBOL(acpi_dev_get_next_match_dev);