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Change History

In the Linux kernel, the following vulnerability has been resolved:

firmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup()

Clang static checker(scan-build) throws below warning：
  |  drivers/firmware/arm_scmi/driver.c:line 2915, column 2
  |        Attempt to free released memory.

When devm_add_action_or_reset() fails, scmi_debugfs_common_cleanup()
will run twice which causes double free of 'dbg->name'.

Remove the redundant scmi_debugfs_common_cleanup() to fix this problem.

kernel.org https://git.kernel.org/stable/c/39b13dce1a91cdfc3bec9238f9e89094551bd428 [No types assigned]

kernel.org https://git.kernel.org/stable/c/6d91d07913aee90556362d648d6a28a1eda419dc [No types assigned]

kernel.org https://git.kernel.org/stable/c/fb324fdaf546bf14bc4c17e0037bca6cb952b121 [No types assigned]