[PATCH 4/4] fs: tftp: Set default window size to 1

[Sascha Hauer <s.hauer@pengutronix.de>]

The TFTP window size feature is nice when it works, unfortunately it
often causes trouble as often packages get lost in the network buffers
causing retransmission delays. Disable this option by default.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/configs/imx_v7_defconfig   | 2 +-
 arch/arm/configs/multi_v7_defconfig | 2 +-
 fs/Kconfig                          | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/configs/imx_v7_defconfig b/arch/arm/configs/imx_v7_defconfig
index d3def0ece0..72833eb09f 100644
--- a/arch/arm/configs/imx_v7_defconfig
+++ b/arch/arm/configs/imx_v7_defconfig
@@ -225,7 +225,7 @@ CONFIG_SYSCON_REBOOT_MODE=y
 CONFIG_POWER_RESET_SYSCON=y
 CONFIG_FS_EXT4=y
 CONFIG_FS_TFTP=y
-CONFIG_FS_TFTP_MAX_WINDOW_SIZE=8
+CONFIG_FS_TFTP_MAX_WINDOW_SIZE=1
 CONFIG_FS_NFS=y
 CONFIG_FS_FAT=y
 CONFIG_FS_FAT_WRITE=y
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 97b01fd812..5b739a0f3b 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -344,7 +344,7 @@ CONFIG_VIRTIO_MMIO=y
 CONFIG_FS_CRAMFS=y
 CONFIG_FS_EXT4=y
 CONFIG_FS_TFTP=y
-CONFIG_FS_TFTP_MAX_WINDOW_SIZE=8
+CONFIG_FS_TFTP_MAX_WINDOW_SIZE=1
 CONFIG_FS_NFS=y
 CONFIG_FS_FAT=y
 CONFIG_FS_FAT_WRITE=y
diff --git a/fs/Kconfig b/fs/Kconfig
index e02cb939a5..27981b6444 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -47,7 +47,7 @@ config FS_TFTP_MAX_WINDOW_SIZE
 	int
 	prompt "maximum tftp window size (RFC 7440)"
 	depends on FS_TFTP
-	default 128
+	default 1
 	range 1 128
 	help
 	  The maximum allowed tftp "windowsize" (RFC 7440).  Higher

-- 
2.39.5