This is a note to let you know that I've just added the patch titled
spi: aspeed: Fix an error handling path in aspeed_spi_[read|write]_user()
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
spi-aspeed-fix-an-error-handling-path-in-aspeed_spi_.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 46687635933502f406cf068fe15b536fdbb3165f
Author: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Date: Tue Nov 19 22:30:29 2024 +0100
spi: aspeed: Fix an error handling path in aspeed_spi_[read|write]_user()
[ Upstream commit c84dda3751e945a67d71cbe3af4474aad24a5794 ]
A aspeed_spi_start_user() is not balanced by a corresponding
aspeed_spi_stop_user().
Add the missing call.
Fixes: e3228ed92893 ("spi: spi-mem: Convert Aspeed SMC driver to spi-mem")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Link: https://patch.msgid.link/4052aa2f9a9ea342fa6af83fa991b55ce5d5819e.1732051814.git.christophe.jaillet@xxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/spi/spi-aspeed-smc.c b/drivers/spi/spi-aspeed-smc.c
index 21b0fa646c7d..38a0613d434a 100644
--- a/drivers/spi/spi-aspeed-smc.c
+++ b/drivers/spi/spi-aspeed-smc.c
@@ -239,7 +239,7 @@ static ssize_t aspeed_spi_read_user(struct aspeed_spi_chip *chip,
ret = aspeed_spi_send_cmd_addr(chip, op->addr.nbytes, offset, op->cmd.opcode);
if (ret < 0)
- return ret;
+ goto stop_user;
if (op->dummy.buswidth && op->dummy.nbytes) {
for (i = 0; i < op->dummy.nbytes / op->dummy.buswidth; i++)
@@ -249,8 +249,9 @@ static ssize_t aspeed_spi_read_user(struct aspeed_spi_chip *chip,
aspeed_spi_set_io_mode(chip, io_mode);
aspeed_spi_read_from_ahb(buf, chip->ahb_base, len);
+stop_user:
aspeed_spi_stop_user(chip);
- return 0;
+ return ret;
}
static ssize_t aspeed_spi_write_user(struct aspeed_spi_chip *chip,
@@ -261,10 +262,11 @@ static ssize_t aspeed_spi_write_user(struct aspeed_spi_chip *chip,
aspeed_spi_start_user(chip);
ret = aspeed_spi_send_cmd_addr(chip, op->addr.nbytes, op->addr.val, op->cmd.opcode);
if (ret < 0)
- return ret;
+ goto stop_user;
aspeed_spi_write_to_ahb(chip->ahb_base, op->data.buf.out, op->data.nbytes);
+stop_user:
aspeed_spi_stop_user(chip);
- return 0;
+ return ret;
}
/* support for 1-1-1, 1-1-2 or 1-1-4 */
