Nathan Chancellor c39c2cdbde samples: rpmsg: Fix mtu printk specifiers ... When building rpmsg_client_sample.c for a 32-bit platform, such as during arm allmodconfig, there are a few warnings due to using an incorrect specifier for mtu: samples/rpmsg/rpmsg_client_sample.c:68:59: error: format specifies type 'long' but the argument has type 'ssize_t' (aka 'int') [-Werror,-Wformat] 68 | dev_warn(&rpdev->dev, "invalid rpmsg MTU size = %ld\n", mtu); | ~~~ ^~~ | %zd ... samples/rpmsg/rpmsg_client_sample.c:72:50: error: format specifies type 'long' but the argument has type 'ssize_t' (aka 'int') [-Werror,-Wformat] 72 | dev_info(&rpdev->dev, "rpmsg MTU size = %ld\n", mtu); | ~~~ ^~~ | %zd ... samples/rpmsg/rpmsg_client_sample.c:79:17: error: format specifies type 'long' but the argument has type 'ssize_t' (aka 'int') [-Werror,-Wformat] 78 | "message size %zu exceeds rpmsg MTU size %ld\n", | ~~~ | %zd 79 | strlen(MSG), mtu); | ^~~ Use '%zd', the proper specifier for a 'ssize_t' variable, to clear up the warning. Additionally, modify the last dev_err() call in rpmsg_sample_probe() to reuse msg_len instead of calling strlen(MSG) again and use '%zd' throughout the string consistently. Fixes: 1029c89baf ("samples: rpmsg: Add MTU size info") Signed-off-by: Nathan Chancellor <nathan@kernel.org> Link: https://lore.kernel.org/r/20260908-samples-rpmsg-fix-mtu-print-v1-1-f995518f0a46@kernel.org Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>		2026-09-09 09:28:17 -06:00
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Makefile
rpmsg_client_sample.c