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-rw-r--r--arch/i386/kernel/ioport.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/i386/kernel/ioport.c b/arch/i386/kernel/ioport.c
index f2b37654777f..b59a34dbe262 100644
--- a/arch/i386/kernel/ioport.c
+++ b/arch/i386/kernel/ioport.c
@@ -108,8 +108,11 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
108 /* 108 /*
109 * Sets the lazy trigger so that the next I/O operation will 109 * Sets the lazy trigger so that the next I/O operation will
110 * reload the correct bitmap. 110 * reload the correct bitmap.
111 * Reset the owner so that a process switch will not set
112 * tss->io_bitmap_base to IO_BITMAP_OFFSET.
111 */ 113 */
112 tss->io_bitmap_base = INVALID_IO_BITMAP_OFFSET_LAZY; 114 tss->io_bitmap_base = INVALID_IO_BITMAP_OFFSET_LAZY;
115 tss->io_bitmap_owner = NULL;
113 116
114 put_cpu(); 117 put_cpu();
115 118