diff options
Diffstat (limited to 'arch/mips/kernel/ftrace.c')
| -rw-r--r-- | arch/mips/kernel/ftrace.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 374ed74cd516..74fe73506d8f 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -90,6 +90,7 @@ static inline void ftrace_dyn_arch_init_insns(void) static int ftrace_modify_code(unsigned long ip, unsigned int new_code) { int faulted; + mm_segment_t old_fs; /* *(unsigned int *)ip = new_code; */ safe_store_code(new_code, ip, faulted); @@ -97,7 +98,10 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code) if (unlikely(faulted)) return -EFAULT; + old_fs = get_fs(); + set_fs(get_ds()); flush_icache_range(ip, ip + 8); + set_fs(old_fs); return 0; } |