From 0a5d79bfc0154bb587d5a439dc0e439d4d72f25b Mon Sep 17 00:00:00 2001 From: Markus Elfring Date: Fri, 27 Oct 2017 17:20:45 +0200 Subject: [PATCH] mfd: ab8500-debugfs: Use common error handling code in ab8500_print_modem_registers() Add jump targets so that two error messages are stored only once at the end of this function implementation. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Acked-by: Linus Walleij Signed-off-by: Lee Jones --- drivers/mfd/ab8500-debugfs.c | 35 +++++++++++++++++++---------------- 1 file changed, 19 insertions(+), 16 deletions(-) diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c index c1c815241e02..37f39b2a1aa1 100644 --- a/drivers/mfd/ab8500-debugfs.c +++ b/drivers/mfd/ab8500-debugfs.c @@ -1620,18 +1620,15 @@ static int ab8500_print_modem_registers(struct seq_file *s, void *p) err = abx500_get_register_interruptible(dev, AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG, &orig_value); - if (err < 0) { - dev_err(dev, "ab->read fail %d\n", err); - return err; - } + if (err < 0) + goto report_read_failure; + /* Config 1 will allow APE side to read SIM registers */ err = abx500_set_register_interruptible(dev, AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG, AB8500_SUPPLY_CONTROL_CONFIG_1); - if (err < 0) { - dev_err(dev, "ab->write fail %d\n", err); - return err; - } + if (err < 0) + goto report_write_failure; seq_printf(s, " bank 0x%02X:\n", bank); @@ -1641,19 +1638,25 @@ static int ab8500_print_modem_registers(struct seq_file *s, void *p) for (reg = AB8500_FIRST_SIM_REG; reg <= last_sim_reg; reg++) { err = abx500_get_register_interruptible(dev, bank, reg, &value); - if (err < 0) { - dev_err(dev, "ab->read fail %d\n", err); - return err; - } + if (err < 0) + goto report_read_failure; + seq_printf(s, " [0x%02X/0x%02X]: 0x%02X\n", bank, reg, value); } err = abx500_set_register_interruptible(dev, AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG, orig_value); - if (err < 0) { - dev_err(dev, "ab->write fail %d\n", err); - return err; - } + if (err < 0) + goto report_write_failure; + return 0; + +report_read_failure: + dev_err(dev, "ab->read fail %d\n", err); + return err; + +report_write_failure: + dev_err(dev, "ab->write fail %d\n", err); + return err; } static int ab8500_modem_open(struct inode *inode, struct file *file) -- 2.11.0