* [PATCH] ecryptfs: Simplify ecryptfs_crypto_api_algify_cipher_name()
@ 2023-10-30 13:27 Christophe JAILLET
2023-10-30 14:07 ` Dan Carpenter
0 siblings, 1 reply; 2+ messages in thread
From: Christophe JAILLET @ 2023-10-30 13:27 UTC (permalink / raw)
To: Tyler Hicks; +Cc: linux-kernel, kernel-janitors, Christophe JAILLET, ecryptfs
Use kasprintf() instead of hand writing it.
It is much less verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
fs/ecryptfs/crypto.c | 21 ++++++---------------
1 file changed, 6 insertions(+), 15 deletions(-)
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 044863c0d824..00d795658cf5 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -23,6 +23,7 @@
#include <linux/slab.h>
#include <asm/unaligned.h>
#include <linux/kernel.h>
+#include <linux/sprintf.h>
#include <linux/xattr.h>
#include "ecryptfs_kernel.h"
@@ -78,22 +79,12 @@ static int ecryptfs_crypto_api_algify_cipher_name(char **algified_name,
char *cipher_name,
char *chaining_modifier)
{
- int cipher_name_len = strlen(cipher_name);
- int chaining_modifier_len = strlen(chaining_modifier);
- int algified_name_len;
- int rc;
+ *algified_name = kasprintf(GFP_KERNEL, "%s(%s)",
+ chaining_modifier, cipher_name);
+ if (!(*algified_name))
+ return -ENOMEM;
- algified_name_len = (chaining_modifier_len + cipher_name_len + 3);
- (*algified_name) = kmalloc(algified_name_len, GFP_KERNEL);
- if (!(*algified_name)) {
- rc = -ENOMEM;
- goto out;
- }
- snprintf((*algified_name), algified_name_len, "%s(%s)",
- chaining_modifier, cipher_name);
- rc = 0;
-out:
- return rc;
+ return 0;
}
/**
--
2.34.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ecryptfs: Simplify ecryptfs_crypto_api_algify_cipher_name()
2023-10-30 13:27 [PATCH] ecryptfs: Simplify ecryptfs_crypto_api_algify_cipher_name() Christophe JAILLET
@ 2023-10-30 14:07 ` Dan Carpenter
0 siblings, 0 replies; 2+ messages in thread
From: Dan Carpenter @ 2023-10-30 14:07 UTC (permalink / raw)
To: Christophe JAILLET; +Cc: Tyler Hicks, linux-kernel, kernel-janitors, ecryptfs
On Mon, Oct 30, 2023 at 02:27:32PM +0100, Christophe JAILLET wrote:
> Use kasprintf() instead of hand writing it.
> It is much less verbose.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
regards,
dan carpenter
^ permalink raw reply [flat|nested] 2+ messages in thread
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