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27 lines
872 B
27 lines
872 B
9 months ago
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commit b0a83ae71b2588bd2a9e6b40f95191602940e01e
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Thu Nov 7 09:53:41 2019 +0100
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login: Remove double-assignment of fl.l_whence in try_file_lock
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Since l_whence is the second member of struct flock, it is written
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twice. The double-assignment is technically undefined behavior due to
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the lack of a sequence point.
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Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Change-Id: I2baf9e70690e723c61051b25ccbd510aec15976c
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diff --git a/login/utmp_file.c b/login/utmp_file.c
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index cbc53d06de280af9..9ad80364682bae92 100644
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--- a/login/utmp_file.c
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+++ b/login/utmp_file.c
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@@ -79,7 +79,7 @@ try_file_lock (int fd, int type)
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struct flock64 fl =
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{
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.l_type = type,
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- fl.l_whence = SEEK_SET,
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+ .l_whence = SEEK_SET,
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};
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bool status = __fcntl64_nocancel (fd, F_SETLKW, &fl) < 0;
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