Author: Himangi Saraogi <himangi774@gmail.com>
Use kstrdup when the goal of an allocation is copy a string into the
allocated region.
The Coccinelle semantic patch that makes this change is as follows:
//
@@
expression from,to;
expression flag,E1,E2;
statement S;
@@
- to = kmalloc(strlen(from) + 1,flag);
+ to = kstrdup(from, flag);
... when != \(from = E1 \| to = E1 \)
if (to==NULL || ...) S
... when != \(from = E2 \| to = E2 \)
- strcpy(to, from);
//
Signed-off-by: Himangi Saraogi
Acked-by: Julia Lawall
Signed-off-by: Christoph Hellwig
---
drivers/scsi/aic7xxx/aic7770_osm.c | 3 +--
drivers/scsi/aic7xxx/aic79xx_osm_pci.c | 3 +--
drivers/scsi/aic7xxx/aic7xxx_osm_pci.c | 3 +--
3 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/aic7xxx/aic7770_osm.c b/drivers/scsi/aic7xxx/aic7770_osm.c
index 0cb8ef6..3d401d0 100644
--- a/drivers/scsi/aic7xxx/aic7770_osm.c
+++ b/drivers/scsi/aic7xxx/aic7770_osm.c
@@ -85,10 +85,9 @@ aic7770_probe(struct device *dev)
int error;
sprintf(buf, "ahc_eisa:%d", eisaBase >> 12);
- name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
+ name = kstrdup(buf, GFP_ATOMIC);
if (name == NULL)
return (ENOMEM);
- strcpy(name, buf);
ahc = ahc_alloc(&aic7xxx_driver_template, name);
if (ahc == NULL)
return (ENOMEM);
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
index 3c85873..8466aa7 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
@@ -178,10 +178,9 @@ ahd_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ahd_get_pci_bus(pci),
ahd_get_pci_slot(pci),
ahd_get_pci_function(pci));
- name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
+ name = kstrdup(buf, GFP_ATOMIC);
if (name == NULL)
return (-ENOMEM);
- strcpy(name, buf);
ahd = ahd_alloc(NULL, name);
if (ahd == NULL)
return (-ENOMEM);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
index ee05e84..0fc14da 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
@@ -225,10 +225,9 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ahc_get_pci_bus(pci),
ahc_get_pci_slot(pci),
ahc_get_pci_function(pci));
- name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
+ name = kstrdup(buf, GFP_ATOMIC);
if (name == NULL)
return (-ENOMEM);
- strcpy(name, buf);
ahc = ahc_alloc(NULL, name);
if (ahc == NULL)
return (-ENOMEM); |
---
drivers/scsi/aic7xxx/aic7770_osm.c | 3 +--
drivers/scsi/aic7xxx/aic79xx_osm_pci.c | 3 +--
drivers/scsi/aic7xxx/aic7xxx_osm_pci.c | 3 +--
3 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/aic7xxx/aic7770_osm.c b/drivers/scsi/aic7xxx/aic7770_osm.c
index 0cb8ef6..3d401d0 100644
--- a/drivers/scsi/aic7xxx/aic7770_osm.c
+++ b/drivers/scsi/aic7xxx/aic7770_osm.c
@@ -85,10 +85,9 @@ aic7770_probe(struct device *dev)
int error;
sprintf(buf, "ahc_eisa:%d", eisaBase >> 12);
- name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
+ name = kstrdup(buf, GFP_ATOMIC);
if (name == NULL)
return (ENOMEM);
- strcpy(name, buf);
ahc = ahc_alloc(&aic7xxx_driver_template, name);
if (ahc == NULL)
return (ENOMEM);
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
index 3c85873..8466aa7 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
@@ -178,10 +178,9 @@ ahd_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ahd_get_pci_bus(pci),
ahd_get_pci_slot(pci),
ahd_get_pci_function(pci));
- name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
+ name = kstrdup(buf, GFP_ATOMIC);
if (name == NULL)
return (-ENOMEM);
- strcpy(name, buf);
ahd = ahd_alloc(NULL, name);
if (ahd == NULL)
return (-ENOMEM);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
index ee05e84..0fc14da 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
@@ -225,10 +225,9 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ahc_get_pci_bus(pci),
ahc_get_pci_slot(pci),
ahc_get_pci_function(pci));
- name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
+ name = kstrdup(buf, GFP_ATOMIC);
if (name == NULL)
return (-ENOMEM);
- strcpy(name, buf);
ahc = ahc_alloc(NULL, name);
if (ahc == NULL)
return (-ENOMEM);