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From: "Ulrich Ölmann" <u.oelmann@pengutronix.de>
To: Pengutronix Public Open-Source-Development <oss-tools@pengutronix.de>
Cc: "Ulrich Ölmann" <u.oelmann@pengutronix.de>
Subject: [OSS-Tools] [PATCH dt-utils 04/13] state: Fix lseek error check in state_mtd_peb_write()
Date: Mon, 30 Sep 2019 09:26:04 +0200
Message-ID: <20190930072613.17956-5-u.oelmann@pengutronix.de> (raw)
In-Reply-To: <20190930072613.17956-1-u.oelmann@pengutronix.de>

This ports the following barebox commit:

| commit 5eadd11d4795afb6b521b5c3249c6341c0be7117
| Author: Andrey Smirnov <andrew.smirnov@gmail.com>
| Date:   Wed Mar 6 23:49:24 2019 -0800
|
|     state: Fix lseek error check in state_mtd_peb_write()
|
|     Don't use 'int' to store lseek()'s return value to avoid problems with
|     large seek offsets. While at it, make sure to populate return error
|     code from 'errno'.
|
|     Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
|     Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
---
 src/barebox-state/backend_bucket_circular.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/barebox-state/backend_bucket_circular.c b/src/barebox-state/backend_bucket_circular.c
index 8cc7514d5f55..b2577bcd5ee3 100644
--- a/src/barebox-state/backend_bucket_circular.c
+++ b/src/barebox-state/backend_bucket_circular.c
@@ -190,11 +190,10 @@ static int state_mtd_peb_write(struct state_backend_storage_bucket_circular *cir
 
 	offset += circ->eraseblock * circ->mtd->erasesize;
 
-	ret = lseek(circ->fd, offset, SEEK_SET);
-	if (ret < 0) {
+	if (lseek(circ->fd, offset, SEEK_SET) != offset) {
 		dev_err(circ->dev, "Failed to set position for circular write %lld, %d\n",
-			(long long) offset, ret);
-		return ret;
+			(long long) offset, -errno);
+		return -errno;
 	}
 
 	ret = write_full(circ->fd, buf, len);
-- 
2.23.0


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  parent reply	other threads:[~2019-09-30  7:26 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-30  7:26 [OSS-Tools] [PATCH dt-utils 00/13] Harmonize dt-utils' and barebox' shared code base Ulrich Ölmann
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 01/13] state: Fix lseek error check in state_backend_bucket_direct_read() Ulrich Ölmann
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 02/13] state: Fix lseek error check in state_backend_bucket_direct_write() Ulrich Ölmann
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 03/13] state: Fix lseek error check in state_mtd_peb_read() Ulrich Ölmann
2019-09-30  7:26 ` Ulrich Ölmann [this message]
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 05/13] state: check length Ulrich Ölmann
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 06/13] state: backend_bucket_circular: mark block as bad if mtd_peb_torture() failed Ulrich Ölmann
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 07/13] state: drop unused code and declarations for non-existing functions Ulrich Ölmann
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 08/13] state: keep backward compatibility Ulrich Ölmann
2019-10-22  9:46   ` Roland Hieber
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 09/13] state: backend_storage: harmonize code with barebox Ulrich Ölmann
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 10/13] state: " Ulrich Ölmann
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 11/13] " Ulrich Ölmann
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 12/13] configure: remove build time option '--disable-logging' Ulrich Ölmann
2019-09-30  7:26 ` [OSS-Tools] [PATCH dt-utils 13/13] configure: remove build time option '--enable-debug' Ulrich Ölmann

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