30 lines
977 B
Diff
30 lines
977 B
Diff
From 48011f82726c263f49a2b9ca3d9f674bdb4cfd22 Mon Sep 17 00:00:00 2001
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From: Alexander Wetzel <alexander@wetzel-home.de>
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Date: Thu, 8 Jul 2021 16:37:43 +0200
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Subject: [PATCH] Fix for 5.13+ kernels
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Upstream commit d4455faccd6c ('proc: mandate ->proc_lseek
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in "struct proc_ops"') made seek support for proc mandatory.
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Not providing it will cause a null pointer exception for kernels
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>=5.13.0
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Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
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---
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acpi_call.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/acpi_call.c b/acpi_call.c
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index ebdda25..9fd9886 100644
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--- a/acpi_call.c
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+++ b/acpi_call.c
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@@ -369,6 +369,9 @@ static ssize_t acpi_proc_read( struct file *filp, char __user *buff,
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static struct proc_ops proc_acpi_operations = {
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.proc_read = acpi_proc_read,
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.proc_write = acpi_proc_write,
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 13, 0)
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+ .proc_lseek = default_llseek,
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+#endif
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};
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#else
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static struct file_operations proc_acpi_operations = {
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