提交 3dfcb701 编写于 作者: T Tony Battersby 提交者: James Bottomley

[SCSI] sym53c8xx: fix resid calculation

This patch fixes the calculation of the data transfer residual for the
case of a command that is supposed to transfer an odd number of bytes on
a wide bus but transfers nothing instead.
Signed-off-by: NTony Battersby <tonyb@cybernetics.com>
Cc: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
上级 51883b5e
...@@ -3842,7 +3842,7 @@ int sym_compute_residual(struct sym_hcb *np, struct sym_ccb *cp) ...@@ -3842,7 +3842,7 @@ int sym_compute_residual(struct sym_hcb *np, struct sym_ccb *cp)
if (cp->startp == cp->phys.head.lastp || if (cp->startp == cp->phys.head.lastp ||
sym_evaluate_dp(np, cp, scr_to_cpu(cp->phys.head.lastp), sym_evaluate_dp(np, cp, scr_to_cpu(cp->phys.head.lastp),
&dp_ofs) < 0) { &dp_ofs) < 0) {
return cp->data_len; return cp->data_len - cp->odd_byte_adjustment;
} }
/* /*
......
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