On 2/6/2025 6:45 PM, Thomas Weißschuh wrote:
If vmlock_ptp_register() fails during probing, vmclock_remove() is
Typo: you missed 'c' in function name - vmclock_ptp_register
called to clean up the ptp clock and misc device.
It uses dev_get_drvdata() to access the vmclock state.
However the driver data is not yet set at this point.
Assign the driver data earlier.
Fixes: 205032724226 ("ptp: Add support for the AMZNC10C 'vmclock' device")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
---
drivers/ptp/ptp_vmclock.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/ptp/ptp_vmclock.c b/drivers/ptp/ptp_vmclock.c
index 0a2cfc8ad3c5408a87fd8fedeff274ab895de3dd..1920698ae6eba6abfff5b61afae1b047910026fd 100644
--- a/drivers/ptp/ptp_vmclock.c
+++ b/drivers/ptp/ptp_vmclock.c
@@ -524,6 +524,8 @@ static int vmclock_probe(struct platform_device *pdev)
goto out;
}
+ dev_set_drvdata(dev, st);
+
if (le32_to_cpu(st->clk->magic) != VMCLOCK_MAGIC ||
le32_to_cpu(st->clk->size) > resource_size(&st->res) ||
le16_to_cpu(st->clk->version) != 1) {
@@ -587,8 +589,6 @@ static int vmclock_probe(struct platform_device *pdev)
(st->miscdev.minor && st->ptp_clock) ? ", " : "",
st->ptp_clock ? "PTP" : "");
- dev_set_drvdata(dev, st);
-
out:
return ret;
}
Nice catch! The code looks good but please fix the typo in the
commit msg, as this may be misleading. When applied please add my:
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@xxxxxxxxx>
