There is a ready-to-use method to compare a retrieved from a sysfs node string with another string. It treats both NUL and newline-then-NUL as equivalent string terminations. So use it instead of manually truncating the line length in the strncmp() method.
Signed-off-by: Serge Semin <[email protected]> Cc: Alexey Malahov <[email protected]> Cc: Olof Johansson <[email protected]> Cc: Andy Shevchenko <[email protected]> Cc: [email protected] --- drivers/bus/bt1-axi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/bus/bt1-axi.c b/drivers/bus/bt1-axi.c index c194d9a2bbeb..e7a6744acc7b 100644 --- a/drivers/bus/bt1-axi.c +++ b/drivers/bus/bt1-axi.c @@ -220,9 +220,9 @@ static ssize_t inject_error_store(struct device *dev, * error while unaligned writing - the AXI bus write error handled * by this driver. */ - if (!strncmp(data, "bus", 3)) + if (sysfs_streq(data, "bus")) readb(axi->qos_regs); - else if (!strncmp(data, "unaligned", 9)) + else if (sysfs_streq(data, "unaligned")) writeb(0, axi->qos_regs); else return -EINVAL; -- 2.26.2
