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Andy Shevchenko 88540bc176 fbtft: Make sure string is NULL terminated 
[ Upstream commit 21f585480d ]

New GCC warns about inappropriate use of strncpy():

drivers/staging/fbtft/fbtft-core.c: In function ‘fbtft_framebuffer_alloc’:
drivers/staging/fbtft/fbtft-core.c:665:2: warning: ‘strncpy’ specified bound 16 equals destination size [-Wstringop-truncation]
  665 |  strncpy(info->fix.id, dev->driver->name, 16);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Later on the copy is being used with the assumption to be NULL terminated.
Make sure string is NULL terminated by switching to snprintf().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20191120095716.26628-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2019-12-31 16:45:42 +01:00
..
Kconfig staging/fbtft: Remove flexfb 2019-10-01 08:22:44 +02:00
Makefile staging/fbtft: Remove flexfb 2019-10-01 08:22:44 +02:00
README
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TODO
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fb_agm1264k-fl.c
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fb_bd663474.c
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fb_hx8340bn.c staging: fbtft: make several arrays static const, makes object smaller 2019-09-12 10:35:52 +01:00
fb_hx8347d.c staging: fbtft: make several arrays static const, makes object smaller 2019-09-12 10:35:52 +01:00
fb_hx8353d.c
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fb_hx8357d.c
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fb_hx8357d.h
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fb_ili9163.c staging: fbtft: make several arrays static const, makes object smaller 2019-09-12 10:35:52 +01:00
fb_ili9320.c staging: fbtft: make several arrays static const, makes object smaller 2019-09-12 10:35:52 +01:00
fb_ili9325.c staging: fbtft: make several arrays static const, makes object smaller 2019-09-12 10:35:52 +01:00
fb_ili9340.c
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fb_ili9341.c
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fb_ili9481.c
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fb_ili9486.c
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fb_pcd8544.c
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fb_ra8875.c
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fb_s6d02a1.c
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fb_s6d1121.c staging: fbtft: make several arrays static const, makes object smaller 2019-09-12 10:35:52 +01:00
fb_sh1106.c
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fb_ssd1289.c staging: fbtft: make several arrays static const, makes object smaller 2019-09-12 10:35:52 +01:00
fb_ssd1305.c
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fb_ssd1306.c
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fb_ssd1325.c
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fb_ssd1331.c
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fb_ssd1351.c
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fb_st7735r.c
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fb_st7789v.c
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fb_tinylcd.c
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fb_tls8204.c
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fb_uc1611.c
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fb_uc1701.c
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fb_upd161704.c
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fb_watterott.c
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fbtft-bus.c
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fbtft-core.c fbtft: Make sure string is NULL terminated 2019-12-31 16:45:42 +01:00
fbtft-io.c
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fbtft-sysfs.c
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fbtft.h
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internal.h
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README 

  FBTFT
=========

Linux Framebuffer drivers for small TFT LCD display modules.
The module 'fbtft' makes writing drivers for some of these displays very easy.

Development is done on a Raspberry Pi running the Raspbian "wheezy" distribution.

INSTALLATION
  Download kernel sources

  From Linux 3.15
    cd drivers/video/fbdev/fbtft
    git clone https://github.com/notro/fbtft.git

    Add to drivers/video/fbdev/Kconfig:   source "drivers/video/fbdev/fbtft/Kconfig"
    Add to drivers/video/fbdev/Makefile:  obj-y += fbtft/

  Before Linux 3.15
    cd drivers/video
    git clone https://github.com/notro/fbtft.git

    Add to drivers/video/Kconfig:   source "drivers/video/fbtft/Kconfig"
    Add to drivers/video/Makefile:  obj-y += fbtft/

  Enable driver(s) in menuconfig and build the kernel


See wiki for more information: https://github.com/notro/fbtft/wiki


Source: https://github.com/notro/fbtft/