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authorGustavo A. R. Silva <gustavo@embeddedor.com>2018-08-23 20:12:47 -0500
committerKalle Valo <kvalo@codeaurora.org>2018-08-28 16:42:54 +0300
commit06ae8dc00433797555481ee3391cab6acaf1a5db (patch)
tree358655a8e2b76ed3fd6af33dbcdcb559f91da9b5 /kernel/groups.c
parenta9911937e7d332761e8c4fcbc7ba0426bdc3956f (diff)
downloadlwn-06ae8dc00433797555481ee3391cab6acaf1a5db.tar.gz
lwn-06ae8dc00433797555481ee3391cab6acaf1a5db.zip
ath10k: 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 issue was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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