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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>
This commit is contained in:
Greg Kroah-Hartman 2018-05-29 16:29:35 +02:00
parent 341f27d051
commit 00aaa6b138
1 changed files with 3 additions and 14 deletions
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17
drivers/staging/greybus/camera.c
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@ -1174,11 +1174,6 @@ static int gb_camera_debugfs_init(struct gb_camera *gcam)
gcam->bundle->id);
gcam->debugfs.root = debugfs_create_dir(dirname, gb_debugfs_get());
if (IS_ERR(gcam->debugfs.root)) {
gcam_err(gcam, "debugfs root create failed (%ld)\n",
PTR_ERR(gcam->debugfs.root));
return PTR_ERR(gcam->debugfs.root);
}
gcam->debugfs.buffers = vmalloc(sizeof(*gcam->debugfs.buffers) *
GB_CAMERA_DEBUGFS_BUFFER_MAX);
@ -1188,18 +1183,12 @@ static int gb_camera_debugfs_init(struct gb_camera *gcam)
for (i = 0; i < ARRAY_SIZE(gb_camera_debugfs_entries); ++i) {
const struct gb_camera_debugfs_entry *entry =
&gb_camera_debugfs_entries[i];
struct dentry *dentry;
gcam->debugfs.buffers[i].length = 0;
dentry = debugfs_create_file(entry->name, entry->mask,
gcam->debugfs.root, gcam,
&gb_camera_debugfs_ops);
if (IS_ERR(dentry)) {
gcam_err(gcam,
"debugfs operation %s create failed (%ld)\n",
entry->name, PTR_ERR(dentry));
return PTR_ERR(dentry);
debugfs_create_file(entry->name, entry->mask,
gcam->debugfs.root, gcam,
&gb_camera_debugfs_ops);
}
}