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| author | Arjan van de Ven <arjan@linux.intel.com> | 2011-05-16 19:09:57 -0400 |
|---|---|---|
| committer | Arjan van de Ven <arjan@linux.intel.com> | 2011-05-16 19:09:57 -0400 |
| commit | c87e3afa2c6db78ad9da88dc51845f0e540dcf62 (patch) | |
| tree | fe8cff6561054360c6a87f65c993e7937f60458b | |
| parent | 317a742b92522837070fd7de037857a11093f4b1 (diff) | |
| download | powertop-c87e3afa2c6db78ad9da88dc51845f0e540dcf62.tar.gz | |
fix crash
| -rw-r--r-- | measurement/extech.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/measurement/extech.cpp b/measurement/extech.cpp index 23a326f..4f73a62 100644 --- a/measurement/extech.cpp +++ b/measurement/extech.cpp @@ -242,6 +242,9 @@ static double extech_read(int fd) struct timeval tv; int ret; + if (fd < 0) + return 0.0; + FD_ZERO(&read_fd); FD_SET(fd, &read_fd); |