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Subject[PATCH 1/1] devtmpfs: Fix section mismatch warning
Date
drivers/base/built-in.o(.text+0xe554): Section mismatch in reference f
rom the function devtmpfsd() to the variable .init.data:setup_done
The function devtmpfsd() references
the variable __initdata setup_done.
This is often because devtmpfsd lacks a __initdata
annotation or the annotation of setup_done is wrong.

"setup_done" is not used after init. but putting it into initdata section leads a section mismatch warning, so initialize it dynamically in __init function.

Signed-off-by: Harvey Yang <harvey.huawei.yang@gmail.com>
---
drivers/base/devtmpfs.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 33e1bed..d26b47b 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -376,7 +376,6 @@ int devtmpfs_mount(const char *mntdir)
return err;
}

-static __initdata DECLARE_COMPLETION(setup_done);

static int handle(const char *name, mode_t mode, struct device *dev)
{
@@ -430,6 +429,9 @@ out:
*/
int __init devtmpfs_init(void)
{
+ struct compiletion setup_done;
+ init_compiletion(&setup_done);
+
int err = register_filesystem(&dev_fs_type);
if (err) {
printk(KERN_ERR "devtmpfs: unable to register devtmpfs "
--
1.7.2.5


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