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staging: gasket: remove null ptr check before kfree

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Remove null ptr check before kfree because kfree is null ptr safe.
Issue found by checkpatch.

Signed-off-by: Sumit Kumar <sumit686215@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sumit Kumar
2018-08-12 12:38:19 +05:30
committed by Greg Kroah-Hartman
parent 2b2424d9a7
commit 3c0971939e
1 changed files with 2 additions and 4 deletions
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6
drivers/staging/gasket/gasket_page_table.c
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@@ -1328,10 +1328,8 @@ int gasket_alloc_coherent_memory(struct gasket_dev *gasket_dev, u64 size,
num_pages * PAGE_SIZE, mem, handle);
}
if (gasket_dev->page_table[index]->coherent_pages) {
kfree(gasket_dev->page_table[index]->coherent_pages);
gasket_dev->page_table[index]->coherent_pages = NULL;
}
kfree(gasket_dev->page_table[index]->coherent_pages);
gasket_dev->page_table[index]->coherent_pages = NULL;
gasket_dev->page_table[index]->num_coherent_pages = 0;
return -ENOMEM;
}