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pipe: Increase buffer size by one byte to ompensate the full indicator

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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
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Xiang Xiao
2022-04-21 08:05:36 +08:00
committed by Petro Karashchenko
parent 0332b78f99
commit c29a3b7bd8
1 changed files with 1 additions and 1 deletions
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drivers/pipes/pipe_common.c
+1 -1
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@@ -144,7 +144,7 @@ FAR struct pipe_dev_s *pipecommon_allocdev(size_t bufsize)
nxsem_set_protocol(&dev->d_rdsem, SEM_PRIO_NONE);
nxsem_set_protocol(&dev->d_wrsem, SEM_PRIO_NONE);
dev->d_bufsize = bufsize;
dev->d_bufsize = bufsize + 1; /* +1 to compensate the full indicator */
}
return dev;