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Subjectsizeof (struct tYpO *) : it is just a typo or rather a bug ?
Inspired by this "typo" fix
I grep'ed the current git tree of linus for similar issues.

For these 4 places I'm wondering where the appropriate struct definition is located :

arch/ia64/sn/kernel/io_acpi_init.c: sizeof(struct pci_devdev_info *)) {
tools/perf/builtin-sched.c: sched->tasks = realloc(sched->tasks, sched->nr_tasks * sizeof(struct task_task *));
fs/ceph/xattr.c: xattrs = kcalloc(numattr, sizeof(struct ceph_xattr *),
fs/ceph/xattr.c: memset(xattrs, 0, numattr*sizeof(struct ceph_xattr *));

Nevertheless I was told, that gcc doesn't complain about such things due to eventually evaluating it to "sizeof(null)". I'm however curious if at least a warning should be emitted in such a case, or?


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