diff options
Diffstat (limited to 'runtime/transport/symbols.c')
| -rw-r--r-- | runtime/transport/symbols.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/runtime/transport/symbols.c b/runtime/transport/symbols.c index 6406d6ad..a81e594f 100644 --- a/runtime/transport/symbols.c +++ b/runtime/transport/symbols.c @@ -205,7 +205,7 @@ static int _stp_init_kernel_symbols(void) static void _stp_do_unwind_data(const char __user *buf, size_t count) { - u64 unwind_len; + u32 unwind_len; unsigned long flags; char name[STP_MODULE_NAME_LEN]; int i; @@ -213,7 +213,7 @@ static void _stp_do_unwind_data(const char __user *buf, size_t count) dbug_unwind(1, "got unwind data, count=%d\n", count); - if (count < STP_MODULE_NAME_LEN + sizeof(u64)) { + if (count < STP_MODULE_NAME_LEN + sizeof(unwind_len)) { dbug_unwind(1, "unwind message too short\n"); return; } @@ -230,12 +230,12 @@ static void _stp_do_unwind_data(const char __user *buf, size_t count) count -= STP_MODULE_NAME_LEN; buf += STP_MODULE_NAME_LEN; - if (get_user(unwind_len, (u64 __user *)buf)) { + if (get_user(unwind_len, (u32 __user *)buf)) { errk("userspace copy failed\n"); return; } - count -= sizeof(u64); - buf += sizeof(u64); + count -= sizeof(unwind_len); + buf += sizeof(unwind_len); if (count != unwind_len) { dbug_unwind(1, "count=%d unwind_len=%d\n", (int)count, (int)unwind_len); return; |