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driver core: Make dev_err_probe() silent for -ENOMEM

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For an out-of-memory error there should be no additional output. Adapt
dev_err_probe() to not emit the error message when err is -ENOMEM.
This simplifies handling errors that might among others be -ENOMEM.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/3d1e308d45cddf67749522ca42d83f5b4f0b9634.1718311756.git.u.kleine-koenig@baylibre.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Uwe Kleine-König 2024-06-13 23:23:52 +02:00 • committed by Greg Kroah-Hartman
parent de6582833d
commit 2f3cfd2f4b
1 changed files with 14 additions and 3 deletions
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17
drivers/base/core.c
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@ -5021,11 +5021,22 @@ int dev_err_probe(const struct device *dev, int err, const char *fmt, ...)
vaf.fmt = fmt;
vaf.va = &args;
if (err != -EPROBE_DEFER) {
dev_err(dev, "error %pe: %pV", ERR_PTR(err), &vaf);
} else {
switch (err) {
case -EPROBE_DEFER:
device_set_deferred_probe_reason(dev, &vaf);
dev_dbg(dev, "error %pe: %pV", ERR_PTR(err), &vaf);
break;
case -ENOMEM:
/*
* We don't print anything on -ENOMEM, there is already enough
* output.
*/
break;
default:
dev_err(dev, "error %pe: %pV", ERR_PTR(err), &vaf);
break;
}
va_end(args);