Gustavo A. R. Silva de1fa4f61b
dmaengine: fsl-edma: 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 >
Tested-by: Angelo Dureghello <angelo@sysam.it >
Signed-off-by: Vinod Koul <vkoul@kernel.org >
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Gustavo A. R. Silva
de1fa4f61b