tailf: fix open() return value check [coverity scan]
Signed-off-by: Karel Zak <kzak@redhat.com>
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@ -62,7 +62,8 @@ static void tailf(const char *filename, size_t lines, struct stat *st)
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size_t i;
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char *data;
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if (!(fd = open(filename, O_RDONLY)))
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fd = open(filename, O_RDONLY);
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if (fd < 0)
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err(EXIT_FAILURE, _("cannot open %s"), filename);
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data = mmap(0, st->st_size, PROT_READ, MAP_SHARED, fd, 0);
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i = (size_t) st->st_size - 1;
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