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bootchart: use 'n/a' if PRETTY_NAME is not found

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Spotted with coverity. If parsing both /etc/os-release and
/usr/lib/os-release fails then null would be passed on. The calls
to parse the two files are allowed to fail. A empty /etc may not
have had the /etc/os-release symlink restored yet and we just
try again in the loop. If for whatever reason that does not happen
then we now pass on 'n/a' instead of null.
This commit is contained in:
Thomas Hindoe Paaboel Andersen 2014-09-26 22:01:32 +02:00 committed by Zbigniew Jędrzejewski-Szmek
parent 7889087d6e
commit 1c92ff85b7
Notes: Lennart Poettering 2014-10-24 19:16:36 +02:00 
Backport: bugfix
1 changed files with 1 additions and 1 deletions
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src/bootchart/bootchart.c
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@ -471,7 +471,7 @@ int main(int argc, char *argv[]) {
exit (EXIT_FAILURE);
}
svg_do(build);
svg_do(strna(build));
fprintf(stderr, "systemd-bootchart wrote %s\n", output_file);