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Fix coverity defects
Fix coverity defects: coverity scan CID:147623, Type: Resource leak. coverity scan CID:147622, Type: Resource leak. reason: zpool_open zhp, but not zpool_close zhp. so resource leak. coverity scan CID:147621, Type: Resource fd leak. coverity scan CID:147620, Type: Resource fd leak. reason: do_write do_read open file fd,but exception not close fd. delete unuse definition DMU_OS_IS_L2COMPRESSIBLE. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: cao.xuewen <cao.xuewen@zte.com.cn> Closes #5137
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@@ -758,7 +758,7 @@ zpool_do_remove(int argc, char **argv)
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{
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char *poolname;
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int i, ret = 0;
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zpool_handle_t *zhp;
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zpool_handle_t *zhp = NULL;
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argc--;
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argv++;
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@@ -782,6 +782,7 @@ zpool_do_remove(int argc, char **argv)
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if (zpool_vdev_remove(zhp, argv[i]) != 0)
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ret = 1;
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}
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zpool_close(zhp);
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return (ret);
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}
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