roh: Fix ROH multi-BD cmdq issue
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I77OGM --------------------------------------------------------------- When the ROH CMDQ processes multiple BDs, the operations are inconsistent with those in the UM manual. As a result, the CMDQ parses unexpected return values, interrupts the CMDQ processing process, and the ROH MIB statistics query may fail. This patch fix the process method of roh cmdq multiple BDs. Signed-off-by: NKe Chen <chenke54@huawei.com> Reviewed-by: NGang Zhang <gang.zhang@huawei.com> (cherry picked from commit 727b1e60)
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