[PATCH] cxl: Slightly simplify emit_target_list()

[Christophe JAILLET]

sysfs_emit_at() never returns a negative error code. It returns 0 or the
number of characters written in the buffer.

Remove the useless test. This simplifies the logic and saves a few lines of
code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
 drivers/cxl/core/port.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index fef3aa0c6680..b77c1600beaa 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -151,7 +151,7 @@ static ssize_t emit_target_list(struct cxl_switch_decoder *cxlsd, char *buf)
 {
 	struct cxl_decoder *cxld = &cxlsd->cxld;
 	ssize_t offset = 0;
-	int i, rc = 0;
+	int i;
 
 	for (i = 0; i < cxld->interleave_ways; i++) {
 		struct cxl_dport *dport = cxlsd->target[i];
@@ -162,11 +162,9 @@ static ssize_t emit_target_list(struct cxl_switch_decoder *cxlsd, char *buf)
 
 		if (i + 1 < cxld->interleave_ways)
 			next = cxlsd->target[i + 1];
-		rc = sysfs_emit_at(buf, offset, "%d%s", dport->port_id,
-				   next ? "," : "");
-		if (rc < 0)
-			return rc;
-		offset += rc;
+		offset += sysfs_emit_at(buf, offset, "%d%s",
+					dport->port_id,
+					next ? "," : "");
 	}
 
 	return offset;
-- 
2.52.0