From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- drivers/md/dm-vdo/permassert.h | 45 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 drivers/md/dm-vdo/permassert.h (limited to 'drivers/md/dm-vdo/permassert.h') diff --git a/drivers/md/dm-vdo/permassert.h b/drivers/md/dm-vdo/permassert.h new file mode 100644 index 000000000..c34f2ba65 --- /dev/null +++ b/drivers/md/dm-vdo/permassert.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2023 Red Hat + */ + +#ifndef PERMASSERT_H +#define PERMASSERT_H + +#include + +#include "errors.h" + +/* Utilities for asserting that certain conditions are met */ + +#define STRINGIFY(X) #X + +/* + * A hack to apply the "warn if unused" attribute to an integral expression. + * + * Since GCC doesn't propagate the warn_unused_result attribute to conditional expressions + * incorporating calls to functions with that attribute, this function can be used to wrap such an + * expression. With optimization enabled, this function contributes no additional instructions, but + * the warn_unused_result attribute still applies to the code calling it. + */ +static inline int __must_check vdo_must_use(int value) +{ + return value; +} + +/* Assert that an expression is true and return an error if it is not. */ +#define VDO_ASSERT(expr, ...) vdo_must_use(__VDO_ASSERT(expr, __VA_ARGS__)) + +/* Log a message if the expression is not true. */ +#define VDO_ASSERT_LOG_ONLY(expr, ...) __VDO_ASSERT(expr, __VA_ARGS__) + +#define __VDO_ASSERT(expr, ...) \ + (likely(expr) ? VDO_SUCCESS \ + : vdo_assertion_failed(STRINGIFY(expr), __FILE__, __LINE__, __VA_ARGS__)) + +/* Log an assertion failure message. */ +int vdo_assertion_failed(const char *expression_string, const char *file_name, + int line_number, const char *format, ...) + __printf(4, 5); + +#endif /* PERMASSERT_H */ -- cgit v1.3.1