core_fb: Fix crash on tablet with removable kbd

On tablet with removable keyboard (e.g.: T100), as the FB support
in ecore is very limited, the lib crashes when you remove the kbd.
This patch disabled gracefully a "not anymore present" keyboard...

Signed-off-by: Olivier Guiter <olivier.guiter@linux.intel.com>

diff --git a/src/lib/ecore_fb/ecore_fb_li.c b/src/lib/ecore_fb/ecore_fb_li.c
index f332959..8385762 100644 (file)
--- a/src/lib/ecore_fb/ecore_fb_li.c
+++ b/src/lib/ecore_fb/ecore_fb_li.c
@@ -406,6 +406,10 @@ _ecore_fb_li_device_fd_callback(void *data, Ecore_Fd_Handler *fdh EINA_UNUSED)
    dev = (Ecore_Fb_Input_Device*)data;
    /* read up to 64 events at once */
    len = read(dev->fd, &ev, sizeof(ev));
+   if (len < 0) {
+       dev->listen = EINA_FALSE;
+       return EINA_FALSE;
+   }
    for(i = 0; i < (int)(len / sizeof(ev[0])); i++)
      {
         switch(ev[i].type)