Patchwork net: use kasprintf() for socket cache names

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Submitter Alexey Dobriyan
Date Feb. 17, 2010, 7:34 p.m.
Message ID <20100217193411.GC5256@x200>
Download mbox | patch
Permalink /patch/45658/
State Accepted
Delegated to: David Miller
Headers show

Comments

Alexey Dobriyan - Feb. 17, 2010, 7:34 p.m.
kasprintf() makes code smaller.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

 net/core/sock.c |   10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

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David Miller - Feb. 17, 2010, 9:39 p.m.
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Wed, 17 Feb 2010 21:34:12 +0200

> kasprintf() makes code smaller.
> 
> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Applied.
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Patch

--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2228,13 +2228,10 @@  int proto_register(struct proto *prot, int alloc_slab)
 		}
 
 		if (prot->rsk_prot != NULL) {
-			static const char mask[] = "request_sock_%s";
-
-			prot->rsk_prot->slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
+			prot->rsk_prot->slab_name = kasprintf(GFP_KERNEL, "request_sock_%s", prot->name);
 			if (prot->rsk_prot->slab_name == NULL)
 				goto out_free_sock_slab;
 
-			sprintf(prot->rsk_prot->slab_name, mask, prot->name);
 			prot->rsk_prot->slab = kmem_cache_create(prot->rsk_prot->slab_name,
 								 prot->rsk_prot->obj_size, 0,
 								 SLAB_HWCACHE_ALIGN, NULL);
@@ -2247,14 +2244,11 @@  int proto_register(struct proto *prot, int alloc_slab)
 		}
 
 		if (prot->twsk_prot != NULL) {
-			static const char mask[] = "tw_sock_%s";
-
-			prot->twsk_prot->twsk_slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
+			prot->twsk_prot->twsk_slab_name = kasprintf(GFP_KERNEL, "tw_sock_%s", prot->name);
 
 			if (prot->twsk_prot->twsk_slab_name == NULL)
 				goto out_free_request_sock_slab;
 
-			sprintf(prot->twsk_prot->twsk_slab_name, mask, prot->name);
 			prot->twsk_prot->twsk_slab =
 				kmem_cache_create(prot->twsk_prot->twsk_slab_name,
 						  prot->twsk_prot->twsk_obj_size,