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author | Gustavo A. R. Silva <gustavo@embeddedor.com> | 2019-08-29 12:29:16 -0500 |
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committer | Mimi Zohar <zohar@linux.ibm.com> | 2019-08-29 14:23:30 -0400 |
commit | 2a7f0e53daf29ca6dc9fbe2a27158f13474ec1b5 (patch) | |
tree | e4abde280e962ea1da9bc6f5acf3400ed2d269e5 /kernel/Makefile | |
parent | fa5b57175364431245b006c2afcbf94dc2b15400 (diff) | |
download | linux-2a7f0e53daf29ca6dc9fbe2a27158f13474ec1b5.tar.bz2 |
ima: ima_api: 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 ima_template_entry {
...
struct ima_field_data template_data[0]; /* template related data */
};
instance = kzalloc(sizeof(struct ima_template_entry) + count * sizeof(struct ima_field_data), GFP_NOFS);
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_NOFS);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'kernel/Makefile')
0 files changed, 0 insertions, 0 deletions