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authorGustavo A. R. Silva <gustavo@embeddedor.com>2019-01-08 09:40:46 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-18 09:58:04 +0100
commitda79ff6e586bd5aaa3bd9c73e56ae9d9183c3263 (patch)
treea85f601d9179cd56ab8a3b7feb946b5a86187f7a /drivers/uwb
parent8eb58994dd96da7055721c68e46b732febe671ae (diff)
downloadlinux-da79ff6e586bd5aaa3bd9c73e56ae9d9183c3263.tar.bz2
xhci: Use struct_size() in kzalloc()
One of the more common cases of allocation size calculations is finding the size of a structure that has a zero-sized array at the end, along with memory for some number of elements for that array. For example: struct foo { int stuff; void *entry[]; }; instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL); Instead of leaving these open-coded and prone to type mistakes, we can now use the new struct_size() helper: instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL); This code was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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