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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-01-11 17:47:25 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-01-11 17:47:25 -0800 |
| commit | 009f773836513960d3982e80c86e266d25528563 (patch) | |
| tree | 7315e5666698997dee34a80c1a1db801d3f8879b /kernel/module.c | |
| parent | Input: i8042 - add Fujitsu Lifebook U745 to the nomux list (diff) | |
| parent | Input: elantech - mark protocols v2 and v3 as semi-mt (diff) | |
| download | linux-rng-009f773836513960d3982e80c86e266d25528563.tar.xz linux-rng-009f773836513960d3982e80c86e266d25528563.zip | |
Merge branch 'next' into for-linus
Prepare first round of input updates for 4.5 merge window.
Diffstat (limited to 'kernel/module.c')
| -rw-r--r-- | kernel/module.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/module.c b/kernel/module.c index b86b7bf1be38..8f051a106676 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1063,11 +1063,15 @@ void symbol_put_addr(void *addr) if (core_kernel_text(a)) return; - /* module_text_address is safe here: we're supposed to have reference - * to module from symbol_get, so it can't go away. */ + /* + * Even though we hold a reference on the module; we still need to + * disable preemption in order to safely traverse the data structure. + */ + preempt_disable(); modaddr = __module_text_address(a); BUG_ON(!modaddr); module_put(modaddr); + preempt_enable(); } EXPORT_SYMBOL_GPL(symbol_put_addr); |