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From: Arnd Bergmann on 7 Jul 2010 17:50
In future kernels, debugfs files need to specify
the llseek operation explicitly to allow seeking.
This sets the llseek operation in the omap iommu
debugfs files to generic_file_llseek, which is
appropriate for files using simple_read_from_buffer.

Signed-off-by: Arnd Bergmann <arnd(a)arndb.de>
Cc: Tony Lindgren <tony(a)atomide.com>
Cc: linux-omap(a)vger.kernel.org
---
arch/arm/plat-omap/iommu-debug.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/arm/plat-omap/iommu-debug.c b/arch/arm/plat-omap/iommu-debug.c
index e6c0d53..f07cf2f 100644
--- a/arch/arm/plat-omap/iommu-debug.c
+++ b/arch/arm/plat-omap/iommu-debug.c
@@ -328,12 +328,14 @@ static int debug_open_generic(struct inode *inode, struct file *file)
.open = debug_open_generic, \
.read = debug_read_##name, \
.write = debug_write_##name, \
+ .llseek = generic_file_llseek, \
};

#define DEBUG_FOPS_RO(name) \
static const struct file_operations debug_##name##_fops = { \
.open = debug_open_generic, \
.read = debug_read_##name, \
+ .llseek = generic_file_llseek, \
};

DEBUG_FOPS_RO(ver);
--
1.7.1

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Prev: [PATCH 15/18] viotape: use noop_llseek
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