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| author | mrwastl <mrwastl@users.sourceforge.net> | 2011-09-07 21:54:14 +0200 |
|---|---|---|
| committer | mrwastl <mrwastl@users.sourceforge.net> | 2011-09-07 21:54:14 +0200 |
| commit | 1e95d6a94acc5f9787eac9b368b6cd24b27e4218 (patch) | |
| tree | a73f410d6d9f3eb1aace1fb13ba6be18cd00c87a | |
| parent | 34922557ce2ea4f98f7458e973d689c3fb7a9a64 (diff) | |
| download | graphlcd-base-1e95d6a94acc5f9787eac9b368b6cd24b27e4218.tar.gz graphlcd-base-1e95d6a94acc5f9787eac9b368b6cd24b27e4218.tar.bz2 | |
serdisp: safety-check for DeInit()
| -rw-r--r-- | glcddrivers/serdisp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/glcddrivers/serdisp.c b/glcddrivers/serdisp.c index c419f08..1e20cbe 100644 --- a/glcddrivers/serdisp.c +++ b/glcddrivers/serdisp.c @@ -348,6 +348,9 @@ int cDriverSerDisp::Init(void) int cDriverSerDisp::DeInit(void) { + if (!dd) + return 0; + //fp_serdisp_quit(dd); /* use serdisp_close instead of serdisp_quit so that showpic and showtext are usable together with serdisplib */ fp_serdisp_close(dd); |