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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-23 09:23:33 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-23 09:23:33 +0200 |
| commit | 8083f3d78825c0ea1948339613914b46105bfd0b (patch) | |
| tree | 25319c8651919f48cbae12eb3fe7490413ff9669 /kernel/livepatch/core.c | |
| parent | 06b32fdb030989c45bb9dad685b794bf2395d53a (diff) | |
| parent | 4b972a01a7da614b4796475f933094751a295a2f (diff) | |
Merge 5.2-rc6 into char-misc-next
We need the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/livepatch/core.c')
| -rw-r--r-- | kernel/livepatch/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index 2398832947c6..c4ce08f43bd6 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -18,6 +18,7 @@ #include <linux/elf.h> #include <linux/moduleloader.h> #include <linux/completion.h> +#include <linux/memory.h> #include <asm/cacheflush.h> #include "core.h" #include "patch.h" @@ -718,16 +719,21 @@ static int klp_init_object_loaded(struct klp_patch *patch, struct klp_func *func; int ret; + mutex_lock(&text_mutex); + module_disable_ro(patch->mod); ret = klp_write_object_relocations(patch->mod, obj); if (ret) { module_enable_ro(patch->mod, true); + mutex_unlock(&text_mutex); return ret; } arch_klp_init_object_loaded(patch, obj); module_enable_ro(patch->mod, true); + mutex_unlock(&text_mutex); + klp_for_each_func(obj, func) { ret = klp_find_object_symbol(obj->name, func->old_name, func->old_sympos, |