From: Simon Glass <sjg@chromium.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 04/18] net: Handle an empty bootp extension section
Date: Thu, 5 May 2016 07:28:08 -0600 [thread overview]
Message-ID: <1462454902-6093-5-git-send-email-sjg@chromium.org> (raw)
In-Reply-To: <1462454902-6093-1-git-send-email-sjg@chromium.org>
From: Andre Renaud <andre@designa-electronics.com>
Avoid generating this section if there is nothing in it.
Signed-off-by: Andre Renaud <andre@designa-electronics.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
---
Changes in v2: None
net/bootp.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/net/bootp.c b/net/bootp.c
index d7852db..71f09bd 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -655,6 +655,15 @@ static int bootp_extended(u8 *e)
*e++ = 255; /* End of the list */
+ /*
+ * If nothing in list, remove it altogether. Some DHCP servers get
+ * upset by this minor faux pas and do not respond at all.
+ */
+ if (e == start + 3) {
+ printf("*** Warning: no DHCP options requested\n");
+ e -= 3;
+ }
+
return e - start;
}
#endif
--
2.8.0.rc3.226.g39d4020
next prev parent reply other threads:[~2016-05-05 13:28 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-05 13:28 [U-Boot] [PATCH v2 00/18] at91: Convert Ethernet and LCD to driver model Simon Glass
2016-05-05 13:28 ` [U-Boot] [PATCH v2 01/18] at91: Add support for the AT91 slow clock controller Simon Glass
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 02/18] arm: Allow skipping of low-level init with I-cache on Simon Glass
2016-05-05 14:07 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 03/18] bootm: Align cache flush end address correctly Simon Glass
2016-05-05 14:19 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` Simon Glass [this message]
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, 04/18] net: Handle an empty bootp extension section Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 05/18] net: macb: Prepare for driver-model conversion Simon Glass
2016-05-05 18:31 ` Joe Hershberger
2016-05-28 22:32 ` Andreas Bießmann
2016-06-20 1:30 ` Simon Glass
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 06/18] net: macb: Flush correct cache portion when sending Simon Glass
2016-05-28 12:35 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 07/18] net: macb: Convert to driver model Simon Glass
2016-05-28 22:43 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot,v2,07/18] " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 08/18] arm: at91: dts: Bring in device tree file for AT91SAM9G45 Simon Glass
2016-05-28 22:45 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 09/18] arm: at91: Add a header file for the real-time clock Simon Glass
2016-05-28 12:49 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 10/18] at91: Correct NAND ECC register access Simon Glass
2016-05-28 21:06 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 11/18] at91: nand: Set up the ECC strength correctly Simon Glass
2016-05-28 21:12 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 12/18] mtd: nand: Drop a blank line in nand_wait() Simon Glass
2016-05-28 12:53 ` Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 13/18] at91: Add driver-model GPIO devices for AT91SAM9G45 Simon Glass
2016-05-28 22:46 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 14/18] at91: mtd: nand: Add dev_warn() to correct build error in driver Simon Glass
2016-05-28 23:04 ` Andreas Bießmann
2016-06-04 20:27 ` [U-Boot] [PATCH] linux/compat.h: add dev_warn() Andreas Bießmann
2016-06-10 0:35 ` Simon Glass
2016-06-12 22:01 ` [U-Boot] " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 15/18] at91: video: Prepare for driver-model conversion Simon Glass
2016-06-04 20:08 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 16/18] at91: video: Support driver-model for the LCD driver Simon Glass
2016-06-04 20:11 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 17/18] fdt: Correct return value in fdtdec_decode_display_timing() Simon Glass
2016-06-04 20:14 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot, v2, " Andreas Bießmann
2016-05-05 13:28 ` [U-Boot] [PATCH v2 18/18] arm: at91: Add support for gurnard Simon Glass
2016-06-04 20:31 ` Andreas Bießmann
2016-06-12 22:01 ` [U-Boot] [U-Boot,v2,18/18] " Andreas Bießmann
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