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btrfs-map-logical: segfaults when no output file is given

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when no output file is given, info_file stays NULL and the following
fprintf segfaults. Default to stdout.

Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
This commit is contained in:
Arne Jansen 2011-03-14 12:57:49 +01:00 committed by Chris Mason
parent 925ac32518
commit 48d29930ed
1 changed files with 1 additions and 0 deletions
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btrfs-map-logical.c
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@ -173,6 +173,7 @@ int main(int ac, char **av)
exit(1); exit(1);
} }
info_file = stdout;
if (output_file) { if (output_file) {
if (strcmp(output_file, "-") == 0) { if (strcmp(output_file, "-") == 0) {
out_fd = 1; out_fd = 1;