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From: "Luiz Fernando N. Capitulino" <lcapitulino@mandriva.com.br>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org
Subject: PATCH: __bprm_mm_init(): remove uneeded goto
Date: Tue, 4 Nov 2008 14:03:14 -0200 [thread overview]
Message-ID: <20081104140314.1b196764@doriath.conectiva> (raw)
It is only really used if insert_vm_struct() fails, we can inline it
and drop some (uneeded) lines of code.
Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
---
fs/exec.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
Index: linux-2.6/fs/exec.c
===================================================================
--- linux-2.6.orig/fs/exec.c
+++ linux-2.6/fs/exec.c
@@ -232,13 +232,13 @@ static void flush_arg_page(struct linux_
static int __bprm_mm_init(struct linux_binprm *bprm)
{
- int err = -ENOMEM;
+ int err;
struct vm_area_struct *vma = NULL;
struct mm_struct *mm = bprm->mm;
bprm->vma = vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (!vma)
- goto err;
+ return -ENOMEM;
down_write(&mm->mmap_sem);
vma->vm_mm = mm;
@@ -257,7 +257,9 @@ static int __bprm_mm_init(struct linux_b
err = insert_vm_struct(mm, vma);
if (err) {
up_write(&mm->mmap_sem);
- goto err;
+ kmem_cache_free(vm_area_cachep, vma);
+ bprm->vma = NULL;
+ return err;
}
mm->stack_vm = mm->total_vm = 1;
@@ -266,14 +268,6 @@ static int __bprm_mm_init(struct linux_b
bprm->p = vma->vm_end - sizeof(void *);
return 0;
-
-err:
- if (vma) {
- bprm->vma = NULL;
- kmem_cache_free(vm_area_cachep, vma);
- }
-
- return err;
}
static bool valid_arg_len(struct linux_binprm *bprm, long len)
--
Luiz Fernando N. Capitulino
next reply other threads:[~2008-11-04 16:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-04 16:03 Luiz Fernando N. Capitulino [this message]
2008-11-04 18:57 ` Andrew Morton
2008-11-04 19:14 ` Luiz Fernando N. Capitulino
2008-11-04 19:47 ` Andrew Morton
2008-11-05 2:48 ` Arjan van de Ven
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