kernel/linux.git, branch v5.4.256

Linux 5.4.256

2023-09-02T07:19:19+00:00

Link: https://lore.kernel.org/r/20230831110828.874071888@linuxfoundation.org Tested-by: Florian Fainelli Tested-by: Sudip Mukherjee Tested-by: Linux Kernel Functional Testing Tested-by: Shuah Khan Tested-by: Jon Hunter Tested-by: Guenter Roeck Signed-off-by: Greg Kroah-Hartman

Revert "MIPS: Alchemy: fix dbdma2"

2023-09-02T07:19:19+00:00

This reverts commit a365600bba27c35d0d93fd490b01919fbd7d4848 which is commit 2d645604f69f3a772d58ead702f9a8e84ab2b342 upstream. It breaks the build, so should be dropped. Reported-by: Guenter Roeck Link: https://lore.kernel.org/r/5b30ff73-46cb-1d1e-3823-f175dbfbd91b@roeck-us.net Cc: Thomas Bogendoerfer Cc: Sasha Levin Signed-off-by: Greg Kroah-Hartman

powerpc/pmac/smp: Drop unnecessary volatile qualifier

2023-09-02T07:19:18+00:00

commit a4037d1f1fc4e92b69d7196d4568c33078d465ea upstream. core99_l2_cache/core99_l3_cache do not need to be marked as volatile, remove it. Signed-off-by: YueHaibing Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200303085604.24952-1-yuehaibing@huawei.com Signed-off-by: Greg Kroah-Hartman

powerpc/pmac/smp: Avoid unused-variable warnings

2023-09-02T07:19:18+00:00

commit 9451c79bc39e610882bdd12370f01af5004a3c4f upstream. When building with ppc64_defconfig, the compiler reports that these 2 variables are not used: warning: unused variable 'core99_l2_cache' [-Wunused-variable] warning: unused variable 'core99_l3_cache' [-Wunused-variable] They are only used when CONFIG_PPC64 is not defined. Move them into a section which does the same macro check. Reported-by: Nathan Chancellor Signed-off-by: Ilie Halip [mpe: Move them into core99_init_caches() which is their only user] Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20190920153951.25762-1-ilie.halip@gmail.com Cc: Nathan Chancellor Signed-off-by: Greg Kroah-Hartman

Linux 5.4.255

2023-08-30T14:27:28+00:00

Link: https://lore.kernel.org/r/20230828101157.322319621@linuxfoundation.org Tested-by: Sudip Mukherjee Tested-by: Linux Kernel Functional Testing Tested-by: Harshit Mogalapalli Tested-by: Shuah Khan Tested-by: Florian Fainelli Tested-by: Guenter Roeck Tested-by: Jon Hunter Signed-off-by: Greg Kroah-Hartman

dma-buf/sw_sync: Avoid recursive lock during fence signal

2023-08-30T14:27:28+00:00

[ Upstream commit e531fdb5cd5ee2564b7fe10c8a9219e2b2fac61e ] If a signal callback releases the sw_sync fence, that will trigger a deadlock as the timeline_fence_release recurses onto the fence->lock (used both for signaling and the the timeline tree). To avoid that, temporarily hold an extra reference to the signalled fences until after we drop the lock. (This is an alternative implementation of https://patchwork.kernel.org/patch/11664717/ which avoids some potential UAF issues with the original patch.) v2: Remove now obsolete comment, use list_move_tail() and list_del_init() Reported-by: Bas Nieuwenhuizen Fixes: d3c6dd1fb30d ("dma-buf/sw_sync: Synchronize signal vs syncpt free") Signed-off-by: Rob Clark Link: https://patchwork.freedesktop.org/patch/msgid/20230818145939.39697-1-robdclark@gmail.com Reviewed-by: Christian König Signed-off-by: Christian König Signed-off-by: Sasha Levin

pinctrl: renesas: rza2: Add lock around pinctrl_generic{{add,remove}_group,{add,remove}_function}

2023-08-30T14:27:28+00:00

[ Upstream commit 8fcc1c40b747069644db6102c1d84c942c9d4d86 ] The pinctrl group and function creation/remove calls expect caller to take care of locking. Add lock around these functions. Fixes: b59d0e782706 ("pinctrl: Add RZ/A2 pin and gpio controller") Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20230815131558.33787-4-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven Signed-off-by: Sasha Levin

clk: Fix undefined reference to `clk_rate_exclusive_{get,put}'

2023-08-30T14:27:27+00:00

[ Upstream commit 2746f13f6f1df7999001d6595b16f789ecc28ad1 ] The COMMON_CLK config is not enabled in some of the architectures. This causes below build issues: pwm-rz-mtu3.c:(.text+0x114): undefined reference to `clk_rate_exclusive_put' pwm-rz-mtu3.c:(.text+0x32c): undefined reference to `clk_rate_exclusive_get' Fix these issues by moving clk_rate_exclusive_{get,put} inside COMMON_CLK code block, as clk.c is enabled by COMMON_CLK. Fixes: 55e9b8b7b806 ("clk: add clk_rate_exclusive api") Reported-by: kernel test robot Closes: https://lore.kernel.org/all/202307251752.vLfmmhYm-lkp@intel.com/ Signed-off-by: Biju Das Link: https://lore.kernel.org/r/20230725175140.361479-1-biju.das.jz@bp.renesas.com Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin

scsi: core: raid_class: Remove raid_component_add()

2023-08-30T14:27:27+00:00

commit 60c5fd2e8f3c42a5abc565ba9876ead1da5ad2b7 upstream. The raid_component_add() function was added to the kernel tree via patch "[SCSI] embryonic RAID class" (2005). Remove this function since it never has had any callers in the Linux kernel. And also raid_component_release() is only used in raid_component_add(), so it is also removed. Signed-off-by: Zhu Wang Link: https://lore.kernel.org/r/20230822015254.184270-1-wangzhu9@huawei.com Reviewed-by: Bart Van Assche Fixes: 04b5b5cb0136 ("scsi: core: Fix possible memory leak if device_add() fails") Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman

scsi: snic: Fix double free in snic_tgt_create()

2023-08-30T14:27:27+00:00

commit 1bd3a76880b2bce017987cf53780b372cf59528e upstream. Commit 41320b18a0e0 ("scsi: snic: Fix possible memory leak if device_add() fails") fixed the memory leak caused by dev_set_name() when device_add() failed. However, it did not consider that 'tgt' has already been released when put_device(&tgt->dev) is called. Remove kfree(tgt) in the error path to avoid double free of 'tgt' and move put_device(&tgt->dev) after the removed kfree(tgt) to avoid a use-after-free. Fixes: 41320b18a0e0 ("scsi: snic: Fix possible memory leak if device_add() fails") Signed-off-by: Zhu Wang Link: https://lore.kernel.org/r/20230819083941.164365-1-wangzhu9@huawei.com Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman