diff options
Diffstat (limited to 'fs/exec.c')
-rw-r--r-- | fs/exec.c | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -802,6 +802,15 @@ int kernel_read(struct file *file, loff_t offset, | |||
802 | 802 | ||
803 | EXPORT_SYMBOL(kernel_read); | 803 | EXPORT_SYMBOL(kernel_read); |
804 | 804 | ||
805 | ssize_t read_code(struct file *file, unsigned long addr, loff_t pos, size_t len) | ||
806 | { | ||
807 | ssize_t res = file->f_op->read(file, (void __user *)addr, len, &pos); | ||
808 | if (res > 0) | ||
809 | flush_icache_range(addr, addr + len); | ||
810 | return res; | ||
811 | } | ||
812 | EXPORT_SYMBOL(read_code); | ||
813 | |||
805 | static int exec_mmap(struct mm_struct *mm) | 814 | static int exec_mmap(struct mm_struct *mm) |
806 | { | 815 | { |
807 | struct task_struct *tsk; | 816 | struct task_struct *tsk; |