From: Simon Glass <sjg@chromium.org>
Date: Sat, 7 Dec 2019 04:42:06 +0000 (-0700)
Subject: x86: Tidy up error handling in mrccache_save()
X-Git-Tag: v2020.04-rc1~39^2~2^2~69
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=83f288f236505e2e73da8c8d2d72f97c0fe5b06b;p=oweals%2Fu-boot.git

x86: Tidy up error handling in mrccache_save()

This function is a bit confusing at present due to the error handling.
Update it to remove the goto, returning errors as they happen.

While we are here, use hex for the data size since this is the norm in
U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---

diff --git a/arch/x86/lib/mrccache.c b/arch/x86/lib/mrccache.c
index 6e561fe528..712bacd5d2 100644
--- a/arch/x86/lib/mrccache.c
+++ b/arch/x86/lib/mrccache.c
@@ -168,7 +168,7 @@ int mrccache_update(struct udevice *sf, struct mrc_region *entry,
 				 cur);
 	if (ret) {
 		debug("Failed to write to SPI flash\n");
-		return ret;
+		return log_msg_ret("Cannot update mrccache", ret);
 	}
 
 	return 0;
@@ -261,28 +261,23 @@ int mrccache_save(void)
 
 	if (!gd->arch.mrc_output_len)
 		return 0;
-	debug("Saving %d bytes of MRC output data to SPI flash\n",
+	debug("Saving %#x bytes of MRC output data to SPI flash\n",
 	      gd->arch.mrc_output_len);
 
 	ret = mrccache_get_region(&sf, &entry);
 	if (ret)
-		goto err_entry;
+		return log_msg_ret("Cannot get region", ret);
 	ret = device_probe(sf);
 	if (ret)
-		goto err_entry;
+		return log_msg_ret("Cannot probe device", ret);
 	cache = gd->arch.mrc_cache;
 	ret = mrccache_update(sf, &entry, cache);
-	if (!ret) {
+	if (!ret)
 		debug("Saved MRC data with checksum %04x\n", cache->checksum);
-	} else if (ret == -EEXIST) {
+	else if (ret == -EEXIST)
 		debug("MRC data is the same as last time, skipping save\n");
-		ret = 0;
-	}
 
-err_entry:
-	if (ret)
-		debug("%s: Failed: %d\n", __func__, ret);
-	return ret;
+	return 0;
 }
 
 int mrccache_spl_save(void)