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Diffstat (limited to 'firmware/screendump.c')
-rw-r--r--firmware/screendump.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/firmware/screendump.c b/firmware/screendump.c
index e27360b137..226d08a390 100644
--- a/firmware/screendump.c
+++ b/firmware/screendump.c
@@ -140,7 +140,11 @@ void screen_dump(void)
140 } 140 }
141 else 141 else
142 { 142 {
143 write(fd, bmpheader, sizeof(bmpheader)); 143 if(write(fd, bmpheader, sizeof(bmpheader)) != sizeof(bmpheader))
144 {
145 close(fd);
146 return;
147 }
144 148
145 /* BMP image goes bottom up */ 149 /* BMP image goes bottom up */
146 for (y = LCD_HEIGHT - 1; y >= 0; y--) 150 for (y = LCD_HEIGHT - 1; y >= 0; y--)
@@ -243,7 +247,11 @@ void screen_dump(void)
243 while (dst < dst_end); 247 while (dst < dst_end);
244 248
245#endif /* LCD_DEPTH */ 249#endif /* LCD_DEPTH */
246 write(fd, linebuf, DUMP_BMP_LINESIZE); 250 if(write(fd, linebuf, DUMP_BMP_LINESIZE) != DUMP_BMP_LINESIZE)
251 {
252 close(fd);
253 return;
254 }
247 } 255 }
248 } 256 }
249 close(fd); 257 close(fd);