linux-kernel - [PATCH] i2c: bcm2835: Replace HTTP links with HTTPS ones

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Date:   Fri, 17 Jul 2020 20:52:47 +0200
From:   "Alexander A. Klimov" <grandmaster@...klimov.de>
To:     nsaenzjulienne@...e.de, f.fainelli@...il.com, rjui@...adcom.com,
        sbranden@...adcom.com, bcm-kernel-feedback-list@...adcom.com,
        wsa@...nel.org, wahrenst@....net, ardb@...nel.org,
        chris.brandt@...esas.com, andriy.shevchenko@...ux.intel.com,
        grandmaster@...klimov.de, linux-i2c@...r.kernel.org,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] i2c: bcm2835: Replace HTTP links with HTTPS ones

Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@...klimov.de>
---
 Continuing my work started at 93431e0607e5.
 See also: git log --oneline '--author=Alexander A. Klimov <grandmaster@...klimov.de>' v5.7..master

 If there are any URLs to be removed completely
 or at least not (just) HTTPSified:
 Just clearly say so and I'll *undo my change*.
 See also: https://lkml.org/lkml/2020/6/27/64

 If there are any valid, but yet not changed URLs:
 See: https://lkml.org/lkml/2020/6/26/837

 If you apply the patch, please let me know.


 drivers/i2c/busses/i2c-bcm2835.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
index d9b86fcc3825..5dc519516292 100644
--- a/drivers/i2c/busses/i2c-bcm2835.c
+++ b/drivers/i2c/busses/i2c-bcm2835.c
@@ -392,7 +392,7 @@ static const struct i2c_algorithm bcm2835_i2c_algo = {
 
 /*
  * The BCM2835 was reported to have problems with clock stretching:
- * http://www.advamation.com/knowhow/raspberrypi/rpi-i2c-bug.html
+ * https://www.advamation.com/knowhow/raspberrypi/rpi-i2c-bug.html
  * https://www.raspberrypi.org/forums/viewtopic.php?p=146272
  */
 static const struct i2c_adapter_quirks bcm2835_i2c_quirks = {
-- 
2.27.0