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EDAC/i7core: Use kzalloc_flex()

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Simplifies allocations by using a flexible array member in this struct.

Add __counted_by to get extra runtime analysis. Move counting variable
assignment to right after allocation as required by __counted_by.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Link: https://patch.msgid.link/20260313215900.6724-1-rosenp@gmail.com
This commit is contained in:
Rosen Penev 2026-03-13 14:59:00 -07:00 committed by Tony Luck
parent 62a9fc50e8
commit 7cbea96f66
1 changed files with 4 additions and 11 deletions
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15
drivers/edac/i7core_edac.c
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@ -240,9 +240,9 @@ struct pci_id_table {
struct i7core_dev {
struct list_head list;
u8 socket;
struct pci_dev **pdev;
int n_devs;
struct mem_ctl_info *mci;
int n_devs;
struct pci_dev *pdev[] __counted_by(n_devs);
};
struct i7core_pvt {
@ -455,18 +455,12 @@ static struct i7core_dev *alloc_i7core_dev(u8 socket,
{
struct i7core_dev *i7core_dev;
i7core_dev = kzalloc_obj(*i7core_dev);
i7core_dev = kzalloc_flex(*i7core_dev, pdev, table->n_devs);
if (!i7core_dev)
return NULL;
i7core_dev->pdev = kzalloc_objs(*i7core_dev->pdev, table->n_devs);
if (!i7core_dev->pdev) {
kfree(i7core_dev);
return NULL;
}
i7core_dev->socket = socket;
i7core_dev->n_devs = table->n_devs;
i7core_dev->socket = socket;
list_add_tail(&i7core_dev->list, &i7core_edac_list);
return i7core_dev;
@ -475,7 +469,6 @@ static struct i7core_dev *alloc_i7core_dev(u8 socket,
static void free_i7core_dev(struct i7core_dev *i7core_dev)
{
list_del(&i7core_dev->list);
kfree(i7core_dev->pdev);
kfree(i7core_dev);
}