x86/entry/64: Make cpu_entry_area.tss read-only

[thirdparty/kernel/stable.git] / arch / x86 / kernel / ioport.c

diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c
index 9c3cf0944bce35471cf0d1c34eac1e9a92d2eaa7..2f723301eb58fc5ad0d6796b342446ae2ee0c9e6 100644 (file)
--- a/arch/x86/kernel/ioport.c
+++ b/arch/x86/kernel/ioport.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This contains the io-permission bitmap code - written by obz, with changes
  * by Linus. 32/64 bits code unification by Miguel Botón.
@@ -66,7 +67,7 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
         * because the ->io_bitmap_max value must match the bitmap
         * contents:
         */
-       tss = &per_cpu(cpu_tss, get_cpu());
+       tss = &per_cpu(cpu_tss_rw, get_cpu());
 
        if (turn_on)
                bitmap_clear(t->io_bitmap_ptr, from, num);