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| author | Johan Hovold <johan@kernel.org> | 2022-06-20 16:07:23 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-06-20 18:01:16 +0200 |
| commit | 229e73d46994f15314f58b2d39bf952111d89193 (patch) | |
| tree | 689f840a1e5e2e8bdf113bcaec0e6563813ba951 | |
| parent | a111daf0c53ae91e71fd2bfe7497862d14132e3e (diff) | |
| download | linux-229e73d46994f15314f58b2d39bf952111d89193.tar.bz2 | |
x86/pmem: Fix platform-device leak in error path
Make sure to free the platform device in the unlikely event that
registration fails.
Fixes: 7a67832c7e44 ("libnvdimm, e820: make CONFIG_X86_PMEM_LEGACY a tristate option")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220620140723.9810-1-johan@kernel.org
| -rw-r--r-- | arch/x86/kernel/pmem.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kernel/pmem.c b/arch/x86/kernel/pmem.c index 6b07faaa1579..23154d24b117 100644 --- a/arch/x86/kernel/pmem.c +++ b/arch/x86/kernel/pmem.c @@ -27,6 +27,11 @@ static __init int register_e820_pmem(void) * simply here to trigger the module to load on demand. */ pdev = platform_device_alloc("e820_pmem", -1); - return platform_device_add(pdev); + + rc = platform_device_add(pdev); + if (rc) + platform_device_put(pdev); + + return rc; } device_initcall(register_e820_pmem); |