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Check for errors in dup2

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Bug: 26735063
Test: adb shell sm partition disk:7,3 private && adb logcat -d
Change-Id: I3aa8d1f6183dd5e77f54f422482a54ea8197d768
This commit is contained in:
Paul Crowley 2018-12-07 12:23:25 -08:00
parent b46a2f7dea
commit be857bfd9b
1 changed files with 4 additions and 1 deletions
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5
Utils.cpp
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@ -312,7 +312,10 @@ status_t ForkExecvp(const std::vector<std::string>& args, std::vector<std::strin
}
}
pipe_read.reset();
dup2(pipe_write.get(), STDOUT_FILENO);
if (dup2(pipe_write.get(), STDOUT_FILENO) == -1) {
PLOG(ERROR) << "dup2 in ForkExecvp";
_exit(EXIT_FAILURE);
}
pipe_write.reset();
execvp(argv[0], const_cast<char**>(argv.data()));
PLOG(ERROR) << "exec in ForkExecvp";