Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1711839 > unrolled thread

[PATCH 1/3] thunderbolt: Remove superfluous check

Started by"Bernat, Yehezkel" <yehezkel.bernat@intel.com>
First post2017-08-15 07:20 +0200
Last post2017-08-15 11:40 +0200
Articles 3 — 3 participants

Back to article view | Back to linux.kernel


Contents

  [PATCH 1/3] thunderbolt: Remove superfluous check "Bernat, Yehezkel" <yehezkel.bernat@intel.com> - 2017-08-15 07:20 +0200
    Re: [PATCH 1/3] thunderbolt: Remove superfluous check Mika Westerberg <mika.westerberg@linux.intel.com> - 2017-08-15 09:10 +0200
    Re: [PATCH 1/3] thunderbolt: Remove superfluous check Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-08-15 11:40 +0200

#1711839 — [PATCH 1/3] thunderbolt: Remove superfluous check

From"Bernat, Yehezkel" <yehezkel.bernat@intel.com>
Date2017-08-15 07:20 +0200
Subject[PATCH 1/3] thunderbolt: Remove superfluous check
Message-ID<ueCqJ-5xr-9@gated-at.bofh.it>
The key size is tested by hex2bin() already (as '\0' isn't an hex digit)

Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Yehezkel Bernat <yehezkel.bernat@intel.com>
---
 drivers/thunderbolt/switch.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index e9391bb..69fde0b 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -808,9 +808,6 @@ static ssize_t key_store(struct device *dev, struct device_attribute *attr,
 	u8 key[TB_SWITCH_KEY_SIZE];
 	ssize_t ret = count;
 
-	if (count < 64)
-		return -EINVAL;
-
 	if (hex2bin(key, buf, sizeof(key)))
 		return -EINVAL;
 
-- 
2.7.4

[toc] | [next] | [standalone]


#1711914

FromMika Westerberg <mika.westerberg@linux.intel.com>
Date2017-08-15 09:10 +0200
Message-ID<ueE9c-6EU-17@gated-at.bofh.it>
In reply to#1711839
On Tue, Aug 15, 2017 at 08:19:01AM +0300, Bernat, Yehezkel wrote:
> The key size is tested by hex2bin() already (as '\0' isn't an hex digit)
> 
> Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
> Signed-off-by: Yehezkel Bernat <yehezkel.bernat@intel.com>

Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>

[toc] | [prev] | [next] | [standalone]


#1712014

FromAndy Shevchenko <andy.shevchenko@gmail.com>
Date2017-08-15 11:40 +0200
Message-ID<ueGul-80m-17@gated-at.bofh.it>
In reply to#1711839
On Tue, Aug 15, 2017 at 8:19 AM, Bernat, Yehezkel
<yehezkel.bernat@intel.com> wrote:
> The key size is tested by hex2bin() already (as '\0' isn't an hex digit)

Yes, and it's guaranteed (by kernelfs) that '\0' will be there sooner or later.

> Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>

I'm using @linux.intel.com, though for this tag it really doesn't matter.


-- 
With Best Regards,
Andy Shevchenko

[toc] | [prev] | [standalone]


Back to top | Article view | linux.kernel


csiph-web