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staging: android: check the return value of register_shrinker
register_shrinker call is made in ashmem_init, it may return error code, so we need to check it. Signed-off-by: Xiongwei Song <sxwjean@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 7 additions and 1 deletions
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@ -873,12 +873,18 @@ static int __init ashmem_init(void)
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goto out_free2;
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goto out_free2;
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}
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}
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register_shrinker(&ashmem_shrinker);
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ret = register_shrinker(&ashmem_shrinker);
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if (ret) {
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pr_err("failed to register shrinker!\n");
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goto out_demisc;
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}
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pr_info("initialized\n");
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pr_info("initialized\n");
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return 0;
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return 0;
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out_demisc:
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misc_deregister(&ashmem_misc);
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out_free2:
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out_free2:
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kmem_cache_destroy(ashmem_range_cachep);
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kmem_cache_destroy(ashmem_range_cachep);
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out_free1:
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out_free1:
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