[PATCH] scsi: bfa: bfad_attr.c: Optimization of the Code

From: Rickard Strandqvist
Date: Wed Jun 04 2014 - 14:07:26 EST


Minimized the use of snprintf()
And removed a variable that was only used for the temporary storage.

This was partly found using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
---
drivers/scsi/bfa/bfad_attr.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c
index 40be670..5f5917a 100644
--- a/drivers/scsi/bfa/bfad_attr.c
+++ b/drivers/scsi/bfa/bfad_attr.c
@@ -839,12 +839,10 @@ bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr,
(struct bfad_im_port_s *) shost->hostdata[0];
struct bfad_s *bfad = im_port->bfad;
struct bfa_lport_attr_s port_attr;
- char symname[BFA_SYMNAME_MAXLEN];

bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
- strncpy(symname, port_attr.port_cfg.sym_name.symname,
- BFA_SYMNAME_MAXLEN);
- return snprintf(buf, PAGE_SIZE, "%s\n", symname);
+ return snprintf(buf, PAGE_SIZE, "%s\n",
+ port_attr.port_cfg.sym_name.symname);
}

static ssize_t
@@ -865,7 +863,9 @@ static ssize_t
bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION);
+ strncpy(buf, BFAD_DRIVER_VERSION "\n" , PAGE_SIZE);
+ buf[PAGE_SIZE - 1] = '\0';
+ return strlen(buf);
}

static ssize_t
@@ -913,7 +913,9 @@ static ssize_t
bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME);
+ strncpy(buf, BFAD_DRIVER_NAME "\n" , PAGE_SIZE);
+ buf[PAGE_SIZE - 1] = '\0';
+ return strlen(buf);
}

static ssize_t
--
1.7.10.4

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