linux-kernel - Re: [mtd] allow modular mtdsuper

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Message-ID: <alpine.LFD.0.999.0709050421330.20571@enigma.security.iitk.ac.in>
Date:	Wed, 5 Sep 2007 04:40:52 +0530 (IST)
From:	Satyam Sharma <satyam@...radead.org>
To:	Jason Lunz <lunz@...ooley.org>
cc:	David Woodhouse <dwmw2@...radead.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Stable Branch <stable@...nel.org>
Subject: Re: [mtd] allow modular mtdsuper

Hi Jason,


On Tue, 4 Sep 2007, Jason Lunz wrote:
> 
> Declare mtdsuper to be gpl-licensed so it can access get_mtd_device and
> put_mtd_device when loaded as a module.

The actual issue was a bit different -- refer commit bec494775600b1cd in
latest -git (patch included below).

David, it looks like .22 had this problem as well. If we care enough, you
could forward this on to -stable (cc'ed, just in case).

Satyam

[MTD] Makefile fix for mtdsuper

We want drivers/mtd/{mtdcore, mtdsuper, mtdpart}.c to be built and linked
into the same mtd.ko module. Fix the Makefile to ensure this, and remove
duplicate MODULE_ declarations in mtdpart.c, as mtdcore.c already has them.

Signed-off-by: Satyam Sharma <satyam@...radead.org>
Signed-off-by: David Woodhouse <dwmw2@...radead.org>

---

 drivers/mtd/Makefile  |    2 +-
 drivers/mtd/mtdpart.c |    4 ----
 2 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile
index 451adcc..6d958a4 100644
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -3,9 +3,9 @@
 #
 
 # Core functionality.
+obj-$(CONFIG_MTD)		+= mtd.o
 mtd-y				:= mtdcore.o mtdsuper.o
 mtd-$(CONFIG_MTD_PARTITIONS)	+= mtdpart.o
-obj-$(CONFIG_MTD)		+= $(mtd-y)
 
 obj-$(CONFIG_MTD_CONCAT)	+= mtdconcat.o
 obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 9c62368..6174a97 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -560,7 +560,3 @@ int parse_mtd_partitions(struct mtd_info *master, const char **types,
 EXPORT_SYMBOL_GPL(parse_mtd_partitions);
 EXPORT_SYMBOL_GPL(register_mtd_parser);
 EXPORT_SYMBOL_GPL(deregister_mtd_parser);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Nicolas Pitre <nico@....org>");
-MODULE_DESCRIPTION("Generic support for partitioning of MTD devices");
-
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