3rd-party/linux-kernel-module-cheat
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fix kernel_modules build on default v5.9.2

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Ciro Santilli
2025-05-09 16:10:59 +01:00
parent 1e28f2eddf
commit 76c4cb0e45
2 changed files with 21 additions and 6 deletions
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10
kernel_modules/memfile.c
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@@ -4,12 +4,14 @@
#include <linux/errno.h> /* EFAULT */
#include <linux/fs.h> /* file_operations */
#include <linux/kernel.h> /* min */
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/printk.h> /* printk */
#include <linux/slab.h> /* kvzalloc, kvrealloc, kvfree */
#include <linux/string.h> /* memset */
#include <linux/uaccess.h> /* copy_from_user, copy_to_user */
#include <linux/rwsem.h>
#include <linux/version.h>
#include <uapi/linux/stat.h> /* S_IRUSR */
/* Params */
@@ -48,7 +50,15 @@ int dyn_arr_reserve(dyn_arr_t *a, size_t off, size_t len)
new_used = off + len;
if (new_used > a->_size) {
new_size = new_used * 2;
/* Added in de2860f4636256836450c6543be744a50118fc66 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,15,0)
/* TODO is this correct? kvrealloc seems more correct. Doing it without
* much thought just to make build happy for now. kvrealloc makes more sense
* so as to match kvzalloc. */
a->buf = krealloc(a->buf, new_size, GFP_KERNEL);
#else
a->buf = kvrealloc(a->buf, a->_size, new_size, GFP_KERNEL);
#endif
if (!a->buf)
return -ENOMEM;
a->_size = new_size;