Blame SOURCES/BZ_1903665.patch
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diff --git a/c_binding/libsg.c b/c_binding/libsg.c
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index 4689369..4adc3c9 100644
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--- a/c_binding/libsg.c
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+++ b/c_binding/libsg.c
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@@ -502,6 +502,11 @@ int _sg_io_vpd(char *err_msg, int fd, uint8_t page_code, uint8_t *data)
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case _SG_T10_SBC_VPD_BLK_DEV_CHA:
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data_len = _T10_SBC_VPD_BLK_DEV_CHA_MAX_LEN;
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break;
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+ case _SG_T10_SPC_VPD_SUP_VPD_PGS:
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+ case _SG_T10_SPC_VPD_UNIT_SN:
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+ case _SG_T10_SPC_VPD_DI:
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+ data_len = _SG_T10_SPC_VPD_SMALL_MAX_LEN;
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+ break;
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default:
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data_len = _SG_T10_SPC_VPD_MAX_LEN;
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}
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diff --git a/c_binding/libsg.h b/c_binding/libsg.h
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index 3fb6ab5..467d27d 100644
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--- a/c_binding/libsg.h
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+++ b/c_binding/libsg.h
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@@ -63,7 +63,9 @@
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/* SPC-5 rev 7, Table 142 - INQUIRY command */
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#define _SG_T10_SPC_INQUIRY_MAX_LEN 0xffff
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/* VPD is a INQUIRY */
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-#define _SG_T10_SPC_VPD_MAX_LEN _SG_T10_SPC_INQUIRY_MAX_LEN
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+#define _SG_T10_SPC_VPD_MAX_LEN _SG_T10_SPC_INQUIRY_MAX_LEN
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+/* some controller/drives don't like a two-byte length for VPD pages 0, 0x80, 0x83 */
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+#define _SG_T10_SPC_VPD_SMALL_MAX_LEN 0xfc
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/* SPC-5 Table 444 - PROTOCOL IDENTIFIER field values */
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#define _SG_T10_SPC_PROTOCOL_ID_OBSOLETE 1
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