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[PATCH] crypto: axis - hide an unused variable

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  [PATCH] crypto: axis - hide an unused variable Arnd Bergmann <arnd@arndb.de> - 2017-08-25 00:30 +0200
    Re: [PATCH] crypto: axis - hide an unused variable Lars Persson <lars.persson@axis.com> - 2017-08-26 10:00 +0200

#1719624 — [PATCH] crypto: axis - hide an unused variable

Without CONFIG_DEBUG_FS, we get a harmless warning:

drivers/crypto/axis/artpec6_crypto.c:352:23: error: 'dbgfs_root' defined but not used [-Werror=unused-variable]

This moves it into the #ifdef that hides the only user.

Fixes: a21eb94fc4d3 ("crypto: axis - add ARTPEC-6/7 crypto accelerator driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/crypto/axis/artpec6_crypto.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c
index d9fbbf01062b..0f9754e07719 100644
--- a/drivers/crypto/axis/artpec6_crypto.c
+++ b/drivers/crypto/axis/artpec6_crypto.c
@@ -349,8 +349,6 @@ struct artpec6_crypto_aead_req_ctx {
 /* The crypto framework makes it hard to avoid this global. */
 static struct device *artpec6_crypto_dev;
 
-static struct dentry *dbgfs_root;
-
 #ifdef CONFIG_FAULT_INJECTION
 static DECLARE_FAULT_ATTR(artpec6_crypto_fail_status_read);
 static DECLARE_FAULT_ATTR(artpec6_crypto_fail_dma_array_full);
@@ -2984,6 +2982,8 @@ struct dbgfs_u32 {
 	char *desc;
 };
 
+static struct dentry *dbgfs_root;
+
 static void artpec6_crypto_init_debugfs(void)
 {
 	dbgfs_root = debugfs_create_dir("artpec6_crypto", NULL);
-- 
2.9.0

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#1720570

> 25 aug. 2017 kl. 01:20 skrev Arnd Bergmann <arnd@arndb.de>:
> 
> Without CONFIG_DEBUG_FS, we get a harmless warning:
> 
> drivers/crypto/axis/artpec6_crypto.c:352:23: error: 'dbgfs_root' defined but not used [-Werror=unused-variable]
> 
> This moves it into the #ifdef that hides the only user.
> 
> Fixes: a21eb94fc4d3 ("crypto: axis - add ARTPEC-6/7 crypto accelerator driver")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> drivers/crypto/axis/artpec6_crypto.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c
> index d9fbbf01062b..0f9754e07719 100644
> --- a/drivers/crypto/axis/artpec6_crypto.c
> +++ b/drivers/crypto/axis/artpec6_crypto.c
> @@ -349,8 +349,6 @@ struct artpec6_crypto_aead_req_ctx {
> /* The crypto framework makes it hard to avoid this global. */
> static struct device *artpec6_crypto_dev;
> 
> -static struct dentry *dbgfs_root;
> -
> #ifdef CONFIG_FAULT_INJECTION
> static DECLARE_FAULT_ATTR(artpec6_crypto_fail_status_read);
> static DECLARE_FAULT_ATTR(artpec6_crypto_fail_dma_array_full);
> @@ -2984,6 +2982,8 @@ struct dbgfs_u32 {
>   char *desc;
> };
> 
> +static struct dentry *dbgfs_root;
> +
> static void artpec6_crypto_init_debugfs(void)
> {
>   dbgfs_root = debugfs_create_dir("artpec6_crypto", NULL);
> -- 
> 2.9.0
Acked-by: Lars Persson <larper@axis.com>

Thanks,
 Lars

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