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[PW_SID:1091949] [v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves#1892

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[PW_SID:1091949] [v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves#1892
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@linux-riscv-bot linux-riscv-bot commented May 9, 2026

PR for series 1091949 applied to workflow__riscv__fixes

Name: [v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves
URL: https://patchwork.kernel.org/project/linux-riscv/list/?series=1091949
Version: 2

Linux RISC-V bot and others added 2 commits May 2, 2026 08:13
Adding CI files
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riscv: cacheinfo: Fix node reference leak in populate_cache_leaves
ba357ff 
Currently, the while loop drops the reference to prev in each iteration.
If the loop terminates early due to a break, the final of_node_put(np)
correctly drops the reference to the current node.

However, if the loop terminates naturally because np == NULL, calling
of_node_put(np) is a no-op. This leaves the last valid node stored in
prev without its reference dropped, resulting in a node reference leak.

Fix this by changing the final `of_node_put(np)` to `of_node_put(prev)`.

Fixes: 94f9bf1 ("RISC-V: Fix of_node_* refcount")
Cc: stable@vger.kernel.org
Assisted-by: Gemini:gemini-3.1-pro
Signed-off-by: Zishun Yi <vulab@iscas.ac.cn>
Signed-off-by: Linux RISC-V bot <linux.riscv.bot@gmail.com>
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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
build-rv32-defconfig
Desc: Builds riscv32 defconfig
Duration: 113.22 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
build-rv64-clang-allmodconfig
Desc: Builds riscv64 allmodconfig with Clang, and checks for errors and added warnings
Duration: 1115.71 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
build-rv64-gcc-allmodconfig
Desc: Builds riscv64 allmodconfig with GCC, and checks for errors and added warnings
Duration: 1631.12 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
build-rv64-nommu-k210-defconfig
Desc: Builds riscv64 defconfig with NOMMU for K210
Duration: 19.13 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
build-rv64-nommu-k210-virt
Desc: Builds riscv64 defconfig with NOMMU for the virt platform
Duration: 20.79 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
checkpatch
Desc: Runs checkpatch.pl on the patch
Duration: 0.61 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
dtb-warn-rv64
Desc: Checks for Device Tree warnings/errors
Duration: 77.30 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
header-inline
Desc: Detects static functions without inline keyword in header files
Duration: 0.23 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
kdoc
Desc: Detects for kdoc errors
Duration: 0.71 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
module-param
Desc: Detect module_param changes
Duration: 0.24 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
verify-fixes
Desc: Verifies that the Fixes: tags exist
Duration: 0.25 seconds
Result: PASS

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linux-riscv-bot commented May 9, 2026

Patch 1: "[v2] riscv: cacheinfo: Fix node reference leak in populate_cache_leaves"
verify-signedoff
Desc: Verifies that Signed-off-by: tags are correct
Duration: 0.26 seconds
Result: PASS

@linux-riscv-bot linux-riscv-bot force-pushed the workflow__riscv__fixes branch 2 times, most recently from 2d4fcdd to cd9d421 Compare May 14, 2026 08:49
@linux-riscv-bot linux-riscv-bot deleted the pw1091949 branch May 17, 2026 02:15
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