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drivers:iio:Fix the NULL vs IS_ERR() bug for debugfs_create_dir()

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The debugfs_create_dir() function returns error pointers.
It never returns NULL. So use IS_ERR() to check it.

Signed-off-by: Yang Ruibin <11162571@vivo.com>
Link: https://patch.msgid.link/20240821083911.3411-1-11162571@vivo.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Yang Ruibin 2024-08-21 04:39:08 -04:00 committed by Jonathan Cameron
parent d35099d3c6
commit c4b43d8336
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/industrialio-backend.c
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@ -219,7 +219,7 @@ void iio_backend_debugfs_add(struct iio_backend *back,
snprintf(name, sizeof(name), "backend%d", back->idx); snprintf(name, sizeof(name), "backend%d", back->idx);
back_d = debugfs_create_dir(name, d); back_d = debugfs_create_dir(name, d);
if (!back_d) if (IS_ERR(back_d))
return; return;
if (back->ops->debugfs_reg_access) if (back->ops->debugfs_reg_access)