On 1/15/2014 5:46 PM, Phil Sutter wrote:
Hi,

On Wed, Jan 15, 2014 at 05:22:18PM +0200, Horia Geanta wrote:
From: Cosmin Paraschiv <cosmin.parasc...@freescale.com>

In the 3.12 Linux kernel, the INIT_COMPLETION macro has been replaced
with an inline function, reinit_completion [1][2]. We are currently
using the 3.13-rc3 Linux kernel, which leads to the following error:

cryptlib.c:220:2: error: implicit declaration of function 'INIT_COMPLETION' 
[-Werror=implicit-function-declaration]
   INIT_COMPLETION(cdata->async.result->completion);

[1] 
https://github.com/torvalds/linux/commit/c32f74ab2872994bc8336ed367313da3139350ca
[2] 
https://github.com/torvalds/linux/commit/62026aedaacedbe1ffe94a3599ad4acd8ecdf587

Signed-off-by: Cosmin Paraschiv <cosmin.parasc...@freescale.com>
Reviewed-by: Cristian Stoica <cristian.sto...@freescale.com>
Tested-by: Cristian Stoica <cristian.sto...@freescale.com>
Signed-off-by: Horia Geanta <horia.gea...@freescale.com>
---
  cryptlib.c | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/cryptlib.c b/cryptlib.c
index 54d5d41..a923c14 100644
--- a/cryptlib.c
+++ b/cryptlib.c
@@ -217,7 +217,7 @@ ssize_t cryptodev_cipher_encrypt(struct cipher_data *cdata,
  {
        int ret;

-       INIT_COMPLETION(cdata->async.result->completion);
+       reinit_completion(&cdata->async.result->completion);

Wouldn't it be better to conditionally define INIT_COMPLETION to
reinit_completion for newer kernels? Doesn't this break downwards
compatibility?

That's a good question.
Before posting v2, I would like to find out what is the goal here - to be compatible with kernel 2.6.x onwards or...? I am sure this is not the first time changes in the kernel affect out-of-tree modules.

Thanks,
Horia




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