diff mbox series

[3/6] exec: cleanup the count() function

Message ID 20200618144627.114057-4-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [1/6] exec: cleanup the execve wrappers | expand

Commit Message

Christoph Hellwig June 18, 2020, 2:46 p.m. UTC 
Remove the max argument as it is hard wired to MAX_ARG_STRINGS, and
give the function a slightly less generic name.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/exec.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

Comments

Sergei Shtylyov June 19, 2020, 8:28 a.m. UTC | #1 
Hello!

On 18.06.2020 17:46, Christoph Hellwig wrote:

> Remove the max argument as it is hard wired to MAX_ARG_STRINGS, and

    Technically, argument is what's actually passed to a function, you're 
removing a function parameter.

> give the function a slightly less generic name.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
[...]

MBR, Sergei
diff mbox series

Patch

diff --git a/fs/exec.c b/fs/exec.c
index 4e5db0e35797a5..a5d91f8b1341d5 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -407,9 +407,9 @@  get_user_arg_ptr(const char __user *const __user *argv, int nr)
 }
 
 /*
- * count() counts the number of strings in array ARGV.
+ * count_strings() counts the number of strings in array ARGV.
  */
-static int count(const char __user *const __user *argv, int max)
+static int count_strings(const char __user *const __user *argv)
 {
 	int i = 0;
 
@@ -423,7 +423,7 @@  static int count(const char __user *const __user *argv, int max)
 			if (IS_ERR(p))
 				return -EFAULT;
 
-			if (i >= max)
+			if (i >= MAX_ARG_STRINGS)
 				return -E2BIG;
 			++i;
 
@@ -441,11 +441,11 @@  static int prepare_arg_pages(struct linux_binprm *bprm,
 {
 	unsigned long limit, ptr_size;
 
-	bprm->argc = count(argv, MAX_ARG_STRINGS);
+	bprm->argc = count_strings(argv);
 	if (bprm->argc < 0)
 		return bprm->argc;
 
-	bprm->envc = count(envp, MAX_ARG_STRINGS);
+	bprm->envc = count_strings(envp);
 	if (bprm->envc < 0)
 		return bprm->envc;