staging: greybus: camera: no need to check debugfs return values
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Clean up the greybus camera driver by not caring about the value of debugfs calls. This ends up removing a number of lines of code that are not needed. Cc: Alex Elder <elder@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: greybus-dev@lists.linaro.org Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1174,11 +1174,6 @@ static int gb_camera_debugfs_init(struct gb_camera *gcam)
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gcam->bundle->id);
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gcam->debugfs.root = debugfs_create_dir(dirname, gb_debugfs_get());
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if (IS_ERR(gcam->debugfs.root)) {
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gcam_err(gcam, "debugfs root create failed (%ld)\n",
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PTR_ERR(gcam->debugfs.root));
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return PTR_ERR(gcam->debugfs.root);
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}
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gcam->debugfs.buffers = vmalloc(sizeof(*gcam->debugfs.buffers) *
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GB_CAMERA_DEBUGFS_BUFFER_MAX);
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@ -1188,18 +1183,12 @@ static int gb_camera_debugfs_init(struct gb_camera *gcam)
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for (i = 0; i < ARRAY_SIZE(gb_camera_debugfs_entries); ++i) {
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const struct gb_camera_debugfs_entry *entry =
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&gb_camera_debugfs_entries[i];
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struct dentry *dentry;
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gcam->debugfs.buffers[i].length = 0;
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dentry = debugfs_create_file(entry->name, entry->mask,
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gcam->debugfs.root, gcam,
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&gb_camera_debugfs_ops);
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if (IS_ERR(dentry)) {
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gcam_err(gcam,
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"debugfs operation %s create failed (%ld)\n",
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entry->name, PTR_ERR(dentry));
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return PTR_ERR(dentry);
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debugfs_create_file(entry->name, entry->mask,
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gcam->debugfs.root, gcam,
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&gb_camera_debugfs_ops);
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}
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}
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