[PATCH] fbdev: make pxafb more robust to errors with CONFIG_FB_PXA_PARAMETERS
pxafb.c runs into an oops if CONFIG_FB_PXA_PARAMETERS is enabled and no
parameters are set in command line. The following patch avoids this
problem.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 7b4cd25..9fc10b9 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -1396,7 +1396,8 @@
int __devinit pxafb_setup(char *options)
{
# ifdef CONFIG_FB_PXA_PARAMETERS
- strlcpy(g_options, options, sizeof(g_options));
+ if (options)
+ strlcpy(g_options, options, sizeof(g_options));
# endif
return 0;
}