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kernel: ksud: remove remove read_iter requirement

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nothing uses this on old kernels, so even backporting this to file_operations
is not really needed

https://elixir.bootlin.com/linux/v3.16.85/source/include/linux/fs.h#L1487

Signed-off-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
This commit is contained in:
backslashxx
2025-06-13 18:53:15 +08:00
committed by Rifat Azad
parent 600d9ce5d2
commit 80bd797737
1 changed files with 2 additions and 0 deletions
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2
kernel/ksud.c
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@@ -396,10 +396,12 @@ int ksu_handle_vfs_read(struct file **file_ptr, char __user **buf_ptr,
if (orig_read) { if (orig_read) {
fops_proxy.read = read_proxy; fops_proxy.read = read_proxy;
} }
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)
orig_read_iter = file->f_op->read_iter; orig_read_iter = file->f_op->read_iter;
if (orig_read_iter) { if (orig_read_iter) {
fops_proxy.read_iter = read_iter_proxy; fops_proxy.read_iter = read_iter_proxy;
} }
#endif
// replace the file_operations // replace the file_operations
file->f_op = &fops_proxy; file->f_op = &fops_proxy;
read_count_append = rc_count; read_count_append = rc_count;