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From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
	Wolfram Sang <w.sang@pengutronix.de>,
	Linus <torvalds@linux-foundation.org>
Subject: linux-next: build warnings in Linus' tree
Date: Fri, 14 Jan 2011 11:09:52 +1100	[thread overview]
Message-ID: <20110114110952.bb7d6f37.sfr@canb.auug.org.au> (raw)

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Hi all,

[This is deliberately long ...]

While building Linus' tree, today's linux-next build (x86_64
allmodconfig) produced these warnings:

drivers/i2c/muxes/gpio-i2cmux.c: In function 'gpiomux_probe':
drivers/i2c/muxes/gpio-i2cmux.c:101: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/leds/leds-bd2802.c: In function 'bd2802_probe':
drivers/leds/leds-bd2802.c:700: warning: ignoring return value of 'gpio_request', declared with attribute warn_unused_result
drivers/leds/leds-bd2802.c:701: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/input/mouse/gpio_mouse.c: In function 'gpio_mouse_probe':
drivers/input/mouse/gpio_mouse.c:93: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
sound/soc/codecs/tlv320aic3x.c: In function 'aic3x_probe':
sound/soc/codecs/tlv320aic3x.c:1385: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/i2c/busses/i2c-gpio.c: In function 'i2c_gpio_setsda_dir':
drivers/i2c/busses/i2c-gpio.c:26: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/i2c/busses/i2c-gpio.c:28: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/i2c/busses/i2c-gpio.c: In function 'i2c_gpio_setscl_dir':
drivers/i2c/busses/i2c-gpio.c:49: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/i2c/busses/i2c-gpio.c:51: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/i2c/busses/i2c-gpio.c: In function 'i2c_gpio_probe':
drivers/i2c/busses/i2c-gpio.c:108: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/i2c/busses/i2c-gpio.c:111: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/i2c/busses/i2c-gpio.c:116: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/i2c/busses/i2c-gpio.c:119: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/input/keyboard/matrix_keypad.c: In function '__activate_col':
drivers/input/keyboard/matrix_keypad.c:54: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/input/keyboard/matrix_keypad.c:57: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/input/keyboard/matrix_keypad.c: In function 'init_matrix_gpio':
drivers/input/keyboard/matrix_keypad.c:317: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/input/keyboard/matrix_keypad.c:329: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
sound/soc/codecs/tlv320dac33.c: In function 'dac33_i2c_probe':
sound/soc/codecs/tlv320dac33.c:1563: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/input/touchscreen/cy8ctmg110_ts.c: In function 'cy8ctmg110_power':
drivers/input/touchscreen/cy8ctmg110_ts.c:71: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
sound/soc/codecs/tpa6130a2.c: In function 'tpa6130a2_probe':
sound/soc/codecs/tpa6130a2.c:402: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/i2c/busses/i2c-pca-platform.c: In function 'i2c_pca_pf_probe':
drivers/i2c/busses/i2c-pca-platform.c:216: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/media/radio/si4713-i2c.c: In function 'si4713_probe':
drivers/media/radio/si4713-i2c.c:2018: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/hwmon/sht15.c: In function 'sht15_connection_reset':
drivers/hwmon/sht15.c:128: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/hwmon/sht15.c: In function 'sht15_transmission_start':
drivers/hwmon/sht15.c:166: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/hwmon/sht15.c: In function 'sht15_wait_for_response':
drivers/hwmon/sht15.c:202: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/hwmon/sht15.c: In function 'sht15_update_single_val':
drivers/hwmon/sht15.c:248: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/hwmon/sht15.c: In function 'sht15_ack':
drivers/hwmon/sht15.c:414: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/hwmon/sht15.c:422: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/hwmon/sht15.c: In function 'sht15_end_transmission':
drivers/hwmon/sht15.c:432: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/hwmon/sht15.c: In function 'sht15_probe':
drivers/hwmon/sht15.c:563: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/regulator/max8952.c: In function 'max8952_pmic_probe':
drivers/regulator/max8952.c:228: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/regulator/max8952.c:246: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/regulator/max8952.c:252: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/rtc/rtc-v3020.c: In function 'v3020_gpio_map':
drivers/rtc/rtc-v3020.c:132: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/rtc/rtc-v3020.c: In function 'v3020_gpio_write_bit':
drivers/rtc/rtc-v3020.c:156: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/rtc/rtc-v3020.c: In function 'v3020_gpio_read_bit':
drivers/rtc/rtc-v3020.c:168: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/usb/otg/gpio_vbus.c: In function 'gpio_vbus_probe':
drivers/usb/otg/gpio_vbus.c:249: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/usb/otg/gpio_vbus.c:270: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/w1/masters/w1-gpio.c: In function 'w1_gpio_write_bit_dir':
drivers/w1/masters/w1-gpio.c:27: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/w1/masters/w1-gpio.c:29: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/w1/masters/w1-gpio.c: In function 'w1_gpio_probe':
drivers/w1/masters/w1-gpio.c:67: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/w1/masters/w1-gpio.c:70: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/net/phy/mdio-gpio.c: In function 'mdio_dir':
drivers/net/phy/mdio-gpio.c:48: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/net/phy/mdio-gpio.c:50: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result
drivers/net/phy/mdio-gpio.c: In function 'mdio_gpio_bus_init':
drivers/net/phy/mdio-gpio.c:126: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/media/video/via-camera.c: In function 'via_sensor_power_setup':
drivers/media/video/via-camera.c:208: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/media/video/via-camera.c:209: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/net/wireless/p54/p54spi.c: In function 'p54spi_probe':
drivers/net/wireless/p54/p54spi.c:641: warning: ignoring return value of 'gpio_direction_output', declared with attribute warn_unused_result
drivers/net/wireless/p54/p54spi.c:642: warning: ignoring return value of 'gpio_direction_input', declared with attribute warn_unused_result

Introduced by commit 0fdae42d361bbb431ca0ab0efed5126a94821177 ("gpiolib:
annotate gpio-intialization with __must_check").

We used to try to fix most of the bad code *before* introducing these
warnings ... this is just making it much harder to see "real" warnings.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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             reply	other threads:[~2011-01-14  0:10 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-14  0:09 Stephen Rothwell [this message]
2011-01-14  0:17 ` linux-next: build warnings in Linus' tree Andrew Morton
2011-01-14  1:06   ` Greg KH
2011-01-14  8:34     ` [PATCH] include/gpio.h: remove remaining __must_check-annotiations Wolfram Sang
  -- strict thread matches above, loose matches on Subject: below --
2022-06-14  6:57 linux-next: build warnings in Linus' tree Stephen Rothwell
2022-05-26  7:21 Stephen Rothwell
2022-01-27  4:30 Stephen Rothwell
2022-01-27  6:01 ` Christoph Hellwig
2022-01-27 16:44   ` Stephen Rothwell
2022-01-27  4:24 Stephen Rothwell
2021-11-22 22:44 Stephen Rothwell
2021-11-23  7:04 ` Borislav Petkov
2021-11-05  5:03 Stephen Rothwell
2021-10-12 10:56 Stephen Rothwell
2021-10-12 20:13 ` Randy Dunlap
2021-10-08  5:47 Stephen Rothwell
2021-10-10 21:27 ` Stephen Rothwell
2021-10-11 20:42   ` Rob Herring
2021-10-12 14:39     ` Arnd Bergmann
2021-10-13 22:12       ` Anatolij Gustschin
2021-10-13 22:17         ` Rob Herring
2021-10-13 22:28           ` Anatolij Gustschin
2021-10-13 23:22             ` Rob Herring
2021-10-14  8:44         ` Arnd Bergmann
2021-10-14 12:24           ` Anatolij Gustschin
2020-09-07 23:11 Stephen Rothwell
2020-09-08 13:14 ` Josh Poimboeuf
2020-09-09  0:15   ` Stephen Rothwell
2020-04-03 22:19 Stephen Rothwell
2020-04-03 23:16 ` Rob Herring
2020-04-03 23:31   ` Nicolas Saenz Julienne
2017-11-13 21:52 Stephen Rothwell
2017-11-13 22:03 ` Linus Torvalds
2013-07-04  4:58 Stephen Rothwell
2013-07-09 21:48 ` Nikolova, Tatyana E
2011-08-15  1:57 Stephen Rothwell
2011-05-23  1:25 Stephen Rothwell
2011-05-23  2:31 ` Eduardo Silva
2011-01-14  0:17 Stephen Rothwell
2010-08-17  1:24 Stephen Rothwell
2010-08-30  1:42 ` Stephen Rothwell
2010-08-30  6:08   ` Zhang Rui
2010-09-03  2:01     ` Stephen Rothwell
2010-09-03  2:36     ` Len Brown
2010-09-17  4:26     ` Stephen Rothwell
2010-09-27 13:31       ` Stephen Rothwell
2010-08-07  2:21 Stephen Rothwell
2010-08-07  8:13 ` Vikas Chaudhary

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