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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Oded Gabbay <oded.gabbay@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Omer Shpigelman <oshpigelman@habana.ai>,
	Ofir Bitton <obitton@habana.ai>, Tomer Tayar <ttayar@habana.ai>,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [PATCH] habanalabs: Fix a loop in gaudi_extract_ecc_info()
Date: Wed, 05 Aug 2020 09:51:05 +0000	[thread overview]
Message-ID: <20200805095105.GA483832@mwanda> (raw)

The condition was reversed.  It should have been less than instead of
greater than.  The result is that we never enter the loop.

Fixes: fcc6a4e60678 ("habanalabs: Extract ECC information from FW")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/misc/habanalabs/gaudi/gaudi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 00a0a7238d81..de2f81b80ced 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -5215,7 +5215,7 @@ static int gaudi_extract_ecc_info(struct hl_device *hdev,
 	*memory_wrapper_idx = 0xFF;
 
 	/* Iterate through memory wrappers, a single bit must be set */
-	for (i = 0 ; i > num_mem_regs ; i++) {
+	for (i = 0 ; i < num_mem_regs ; i++) {
 		err_addr += i * 4;
 		err_word = RREG32(err_addr);
 		if (err_word) {
-- 
2.27.0

WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Oded Gabbay <oded.gabbay@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Omer Shpigelman <oshpigelman@habana.ai>,
	Ofir Bitton <obitton@habana.ai>, Tomer Tayar <ttayar@habana.ai>,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [PATCH] habanalabs: Fix a loop in gaudi_extract_ecc_info()
Date: Wed, 5 Aug 2020 12:51:05 +0300	[thread overview]
Message-ID: <20200805095105.GA483832@mwanda> (raw)

The condition was reversed.  It should have been less than instead of
greater than.  The result is that we never enter the loop.

Fixes: fcc6a4e60678 ("habanalabs: Extract ECC information from FW")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/misc/habanalabs/gaudi/gaudi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 00a0a7238d81..de2f81b80ced 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -5215,7 +5215,7 @@ static int gaudi_extract_ecc_info(struct hl_device *hdev,
 	*memory_wrapper_idx = 0xFF;
 
 	/* Iterate through memory wrappers, a single bit must be set */
-	for (i = 0 ; i > num_mem_regs ; i++) {
+	for (i = 0 ; i < num_mem_regs ; i++) {
 		err_addr += i * 4;
 		err_word = RREG32(err_addr);
 		if (err_word) {
-- 
2.27.0


             reply	other threads:[~2020-08-05  9:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-05  9:51 Dan Carpenter [this message]
2020-08-05  9:51 ` [PATCH] habanalabs: Fix a loop in gaudi_extract_ecc_info() Dan Carpenter
2020-08-05 10:20 ` Oded Gabbay
2020-08-05 10:20   ` Oded Gabbay

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