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author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2015-12-15 14:51:17 +0100 |
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committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2015-12-15 14:51:17 +0100 |
commit | e6d111cd909551cec5902358db1e25dcaa8c86bb (patch) | |
tree | 99673aec563c76a1a4d7ca2d31b90b47549ae40b /kernel/module.c | |
parent | 1dcb97e485420a25461cc44d43f987c8bbf50e7a (diff) | |
parent | 07cc49f66973f49a391c91bf4b158fa0f2562ca8 (diff) |
Merge tag 'v4.1.15' into toradex_vf_4.1-nextColibri_VF_LinuxImageV2.5Beta3_20151215
This is the 4.1.15 stable release
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 cfc9e843a924..3b9ff966edb9 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -906,11 +906,15 @@ 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); |