From: Sudip Mukherjee <sudipm.mukherjee@gmail.com> To: Arnd Bergmann <arnd@arndb.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jean Delvare <jdelvare@suse.de>, Wolfram Sang <wsa@the-dreams.de>, Rodolfo Giometti <giometti@enneenne.com>, "James E.J. Bottomley" <JBottomley@parallels.com>, Mark Brown <broonie@kernel.org>, Willy Tarreau <willy@meta-x.org>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de> Cc: linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, netdev@vger.kernel.org, linux-scsi@vger.kernel.org, linux-spi@vger.kernel.org, devel@driverdev.osuosl.org, alsa-devel@alsa-project.org, Sudip Mukherjee <sudipm.mukherjee@gmail.com> Subject: [PATCH 05/14] spi: lm70llp: return proper error values from attach Date: Wed, 8 Apr 2015 16:50:31 +0530 [thread overview] Message-ID: <1428492040-5581-6-git-send-email-sudipm.mukherjee@gmail.com> (raw) In-Reply-To: <1428492040-5581-1-git-send-email-sudipm.mukherjee@gmail.com> now that we are monitoring the return value from attach, make the required changes to return proper value from its attach function. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> --- drivers/spi/spi-lm70llp.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-lm70llp.c b/drivers/spi/spi-lm70llp.c index ba72347..9b0fde1 100644 --- a/drivers/spi/spi-lm70llp.c +++ b/drivers/spi/spi-lm70llp.c @@ -190,7 +190,7 @@ static u32 lm70_txrx(struct spi_device *spi, unsigned nsecs, u32 word, u8 bits) return bitbang_txrx_be_cpha0(spi, nsecs, 0, 0, word, bits); } -static void spi_lm70llp_attach(struct parport *p) +static int spi_lm70llp_attach(struct parport *p) { struct pardevice *pd; struct spi_lm70llp *pp; @@ -201,7 +201,7 @@ static void spi_lm70llp_attach(struct parport *p) printk(KERN_WARNING "%s: spi_lm70llp instance already loaded. Aborting.\n", DRVNAME); - return; + return -EALREADY; } /* TODO: this just _assumes_ a lm70 is there ... no probe; @@ -281,7 +281,7 @@ static void spi_lm70llp_attach(struct parport *p) pp->spidev_lm70->bits_per_word = 8; lm70llp = pp; - return; + return 0; out_bitbang_stop: spi_bitbang_stop(&pp->bitbang); @@ -296,6 +296,7 @@ out_free_master: (void) spi_master_put(master); out_fail: pr_info("%s: spi_lm70llp probe fail, status %d\n", DRVNAME, status); + return status; } static void spi_lm70llp_detach(struct parport *p) -- 1.8.1.2
WARNING: multiple messages have this Message-ID (diff)
From: Sudip Mukherjee <sudipm.mukherjee@gmail.com> To: Arnd Bergmann <arnd@arndb.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jean Delvare <jdelvare@suse.de>, Wolfram Sang <wsa@the-dreams.de>, Rodolfo Giometti <giometti@enneenne.com>, "James E.J. Bottomley" <JBottomley@parallels.com>, Mark Brown <broonie@kernel.org>, Willy Tarreau <willy@meta-x.org>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de> Cc: devel@driverdev.osuosl.org, alsa-devel@alsa-project.org, linux-scsi@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-i2c@vger.kernel.org, Sudip Mukherjee <sudipm.mukherjee@gmail.com> Subject: [PATCH 05/14] spi: lm70llp: return proper error values from attach Date: Wed, 8 Apr 2015 16:50:31 +0530 [thread overview] Message-ID: <1428492040-5581-6-git-send-email-sudipm.mukherjee@gmail.com> (raw) In-Reply-To: <1428492040-5581-1-git-send-email-sudipm.mukherjee@gmail.com> now that we are monitoring the return value from attach, make the required changes to return proper value from its attach function. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> --- drivers/spi/spi-lm70llp.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-lm70llp.c b/drivers/spi/spi-lm70llp.c index ba72347..9b0fde1 100644 --- a/drivers/spi/spi-lm70llp.c +++ b/drivers/spi/spi-lm70llp.c @@ -190,7 +190,7 @@ static u32 lm70_txrx(struct spi_device *spi, unsigned nsecs, u32 word, u8 bits) return bitbang_txrx_be_cpha0(spi, nsecs, 0, 0, word, bits); } -static void spi_lm70llp_attach(struct parport *p) +static int spi_lm70llp_attach(struct parport *p) { struct pardevice *pd; struct spi_lm70llp *pp; @@ -201,7 +201,7 @@ static void spi_lm70llp_attach(struct parport *p) printk(KERN_WARNING "%s: spi_lm70llp instance already loaded. Aborting.\n", DRVNAME); - return; + return -EALREADY; } /* TODO: this just _assumes_ a lm70 is there ... no probe; @@ -281,7 +281,7 @@ static void spi_lm70llp_attach(struct parport *p) pp->spidev_lm70->bits_per_word = 8; lm70llp = pp; - return; + return 0; out_bitbang_stop: spi_bitbang_stop(&pp->bitbang); @@ -296,6 +296,7 @@ out_free_master: (void) spi_master_put(master); out_fail: pr_info("%s: spi_lm70llp probe fail, status %d\n", DRVNAME, status); + return status; } static void spi_lm70llp_detach(struct parport *p) -- 1.8.1.2
next prev parent reply other threads:[~2015-04-08 11:21 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-04-08 11:20 [PATCH 00/14] parport: check success of attach call Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 01/14] parport: return value of attach and parport_register_driver Sudip Mukherjee 2015-04-08 11:38 ` Dan Carpenter 2015-04-08 11:38 ` Dan Carpenter 2015-04-08 11:44 ` Dan Carpenter 2015-04-08 11:44 ` Dan Carpenter 2015-04-08 12:14 ` Sudip Mukherjee 2015-04-08 12:14 ` Sudip Mukherjee 2015-04-08 11:50 ` Sudip Mukherjee 2015-04-08 11:50 ` Sudip Mukherjee 2015-04-08 12:27 ` Dan Carpenter 2015-04-08 12:27 ` Dan Carpenter 2015-04-08 17:56 ` Willy Tarreau 2015-04-08 17:56 ` Willy Tarreau 2015-04-08 11:20 ` [PATCH 02/14] ALSA: portman2x4: return proper error values from attach Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-08 13:32 ` Sergei Shtylyov 2015-04-08 13:32 ` Sergei Shtylyov 2015-04-08 13:40 ` Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 03/14] ALSA: mts64: " Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 04/14] staging: panel: " Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee [this message] 2015-04-08 11:20 ` [PATCH 05/14] spi: lm70llp: " Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 06/14] spi: butterfly: " Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 07/14] [SCSI] ppa: " Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 08/14] [SCSI] imm: " Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 09/14] pps: " Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 10/14] " Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 11/14] net: plip: " Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 12/14] i2c-parport: " Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee 2015-04-09 7:13 ` Wolfram Sang 2015-04-09 7:13 ` Wolfram Sang 2015-04-09 9:33 ` Jean Delvare 2015-04-09 10:25 ` Wolfram Sang 2015-04-09 10:25 ` Wolfram Sang 2015-04-10 5:05 ` Sudip Mukherjee 2015-04-10 5:05 ` Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 13/14] ppdev: " Sudip Mukherjee 2015-04-08 11:20 ` [PATCH 14/14] char: lp: " Sudip Mukherjee 2015-04-08 11:20 ` Sudip Mukherjee
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