test_overflow: fix an IS_ERR() vs NULL bug
root_device_register() returns error pointers, it never returns NULL.
Fixes: ca90800a91 ("test_overflow: Add memory allocation overflow tests")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
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@@ -367,7 +367,7 @@ static int __init test_overflow_allocation(void)
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/* Create dummy device for devm_kmalloc()-family tests. */
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/* Create dummy device for devm_kmalloc()-family tests. */
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dev = root_device_register(device_name);
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dev = root_device_register(device_name);
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if (!dev) {
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if (IS_ERR(dev)) {
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pr_warn("Cannot register test device\n");
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pr_warn("Cannot register test device\n");
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return 1;
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return 1;
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}
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}
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