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author | Marek Belisko <marek.belisko@open-nandra.com> | 2011-02-03 14:22:08 +0100 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-04 13:04:53 -0800 |
commit | a90dcd4f7dfc3e664e7d08790a8b39d052e21a2e (patch) | |
tree | e716f52af7f523be3659fd38a8cf09aff9a0cb0d /drivers/staging | |
parent | 3ad4e219606fa317f778b26553889520aed7925c (diff) | |
download | linux-a90dcd4f7dfc3e664e7d08790a8b39d052e21a2e.tar.gz linux-a90dcd4f7dfc3e664e7d08790a8b39d052e21a2e.tar.bz2 linux-a90dcd4f7dfc3e664e7d08790a8b39d052e21a2e.zip |
staging: oplc_dcon: Fix compilation warning.
Fix compilation warning:
drivers/staging/olpc_dcon/olpc_dcon.c: In function ‘dcon_probe’:
drivers/staging/olpc_dcon/olpc_dcon.c:704:21: warning: ignoring
return value of ‘device_create_file’, declared with attribute warn_unused_result
and add cleaning of created files when creation of one failed.
Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/olpc_dcon/olpc_dcon.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c index 56a283d1a74d..7221bb886857 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon.c +++ b/drivers/staging/olpc_dcon/olpc_dcon.c @@ -674,7 +674,7 @@ static int dcon_detect(struct i2c_client *client, struct i2c_board_info *info) static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id) { - int rc, i; + int rc, i, j; if (num_registered_fb >= 1) fbinfo = registered_fb[0]; @@ -700,8 +700,14 @@ static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id) goto edev; } - for(i = 0; i < ARRAY_SIZE(dcon_device_files); i++) - device_create_file(&dcon_device->dev, &dcon_device_files[i]); + for(i = 0; i < ARRAY_SIZE(dcon_device_files); i++) { + rc = device_create_file(&dcon_device->dev, + &dcon_device_files[i]); + if (rc) { + dev_err(&dcon_device->dev, "Cannot create sysfs file\n"); + goto ecreate; + } + } /* Add the backlight device for the DCON */ @@ -728,6 +734,9 @@ static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id) return 0; + ecreate: + for (j = 0; j < i; j++) + device_remove_file(&dcon_device->dev, &dcon_device_files[j]); edev: platform_device_unregister(dcon_device); dcon_device = NULL; |