4.19-stable review patch. If anyone has any objections, please let me know.
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From: Zhu Jun zhujun2@cmss.chinamobile.com
[ Upstream commit 3c6b818b097dd6932859bcc3d6722a74ec5931c1 ]
Added a check to handle memory allocation failure for `trigger_name` and return `-ENOMEM`.
Signed-off-by: Zhu Jun zhujun2@cmss.chinamobile.com Link: https://patch.msgid.link/20240828093129.3040-1-zhujun2@cmss.chinamobile.com Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/iio/iio_generic_buffer.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c index ca9f33fa51c9f..e8cf3dc8de72c 100644 --- a/tools/iio/iio_generic_buffer.c +++ b/tools/iio/iio_generic_buffer.c @@ -483,6 +483,10 @@ int main(int argc, char **argv) return -ENOMEM; } trigger_name = malloc(IIO_MAX_NAME_LENGTH); + if (!trigger_name) { + ret = -ENOMEM; + goto error; + } ret = read_sysfs_string("name", trig_dev_name, trigger_name); free(trig_dev_name); if (ret < 0) {