diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/exit.c | 2 | ||||
-rw-r--r-- | kernel/lockdep.c | 17 |
2 files changed, 10 insertions, 9 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 51e485ca9935..60bc027c61c3 100644 --- a/kernel/exit.c +++ b/kernel/exit.c | |||
@@ -835,7 +835,7 @@ void do_exit(long code) | |||
835 | /* | 835 | /* |
836 | * Make sure we are holding no locks: | 836 | * Make sure we are holding no locks: |
837 | */ | 837 | */ |
838 | debug_check_no_locks_held(); | 838 | debug_check_no_locks_held(tsk); |
839 | /* | 839 | /* |
840 | * We can do this unlocked here. The futex code uses this flag | 840 | * We can do this unlocked here. The futex code uses this flag |
841 | * just to verify whether the pi state cleanup has been done | 841 | * just to verify whether the pi state cleanup has been done |
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 259db207b5d9..8a0efac4f99d 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c | |||
@@ -4088,7 +4088,7 @@ void debug_check_no_locks_freed(const void *mem_from, unsigned long mem_len) | |||
4088 | } | 4088 | } |
4089 | EXPORT_SYMBOL_GPL(debug_check_no_locks_freed); | 4089 | EXPORT_SYMBOL_GPL(debug_check_no_locks_freed); |
4090 | 4090 | ||
4091 | static void print_held_locks_bug(void) | 4091 | static void print_held_locks_bug(struct task_struct *curr) |
4092 | { | 4092 | { |
4093 | if (!debug_locks_off()) | 4093 | if (!debug_locks_off()) |
4094 | return; | 4094 | return; |
@@ -4097,21 +4097,22 @@ static void print_held_locks_bug(void) | |||
4097 | 4097 | ||
4098 | printk("\n"); | 4098 | printk("\n"); |
4099 | printk("=====================================\n"); | 4099 | printk("=====================================\n"); |
4100 | printk("[ BUG: %s/%d still has locks held! ]\n", | 4100 | printk("[ BUG: lock held at task exit time! ]\n"); |
4101 | current->comm, task_pid_nr(current)); | ||
4102 | print_kernel_ident(); | 4101 | print_kernel_ident(); |
4103 | printk("-------------------------------------\n"); | 4102 | printk("-------------------------------------\n"); |
4104 | lockdep_print_held_locks(current); | 4103 | printk("%s/%d is exiting with locks still held!\n", |
4104 | curr->comm, task_pid_nr(curr)); | ||
4105 | lockdep_print_held_locks(curr); | ||
4106 | |||
4105 | printk("\nstack backtrace:\n"); | 4107 | printk("\nstack backtrace:\n"); |
4106 | dump_stack(); | 4108 | dump_stack(); |
4107 | } | 4109 | } |
4108 | 4110 | ||
4109 | void debug_check_no_locks_held(void) | 4111 | void debug_check_no_locks_held(struct task_struct *task) |
4110 | { | 4112 | { |
4111 | if (unlikely(current->lockdep_depth > 0)) | 4113 | if (unlikely(task->lockdep_depth > 0)) |
4112 | print_held_locks_bug(); | 4114 | print_held_locks_bug(task); |
4113 | } | 4115 | } |
4114 | EXPORT_SYMBOL_GPL(debug_check_no_locks_held); | ||
4115 | 4116 | ||
4116 | void debug_show_all_locks(void) | 4117 | void debug_show_all_locks(void) |
4117 | { | 4118 | { |