6.6-stable review patch. If anyone has any objections, please let me know.
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From: Sascha Hauer s.hauer@pengutronix.de
commit 343aa1e289e8e3dba5e3d054c4eb27da7b4e1ecc upstream.
Do the read beyond device check on function entry in bytes instead of 32bit words which is easier to follow.
Fixes: 22e9e6fcfb50 ("nvmem: imx: support i.MX93 OCOTP") Signed-off-by: Sascha Hauer s.hauer@pengutronix.de Cc: stable stable@kernel.org Reviewed-by: Peng Fan peng.fan@nxp.com Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org Link: https://lore.kernel.org/r/20241230141901.263976-2-srinivas.kandagatla@linaro... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/nvmem/imx-ocotp-ele.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/nvmem/imx-ocotp-ele.c +++ b/drivers/nvmem/imx-ocotp-ele.c @@ -71,13 +71,13 @@ static int imx_ocotp_reg_read(void *cont void *p; int i;
+ if (offset + bytes > priv->data->size) + bytes = priv->data->size - offset; + index = offset; num_bytes = round_up(bytes, 4); count = num_bytes >> 2;
- if (count > ((priv->data->size >> 2) - index)) - count = (priv->data->size >> 2) - index; - p = kzalloc(num_bytes, GFP_KERNEL); if (!p) return -ENOMEM;