diff options
| -rw-r--r-- | drivers/mtd/sm_ftl.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c index 67822cf..6405a95 100644 --- a/drivers/mtd/sm_ftl.c +++ b/drivers/mtd/sm_ftl.c @@ -64,12 +64,16 @@ struct attribute_group *sm_create_sysfs_attributes(struct sm_ftl *ftl) SM_SMALL_PAGE - SM_CIS_VENDOR_OFFSET); char *vendor = kmalloc(vendor_len, GFP_KERNEL); + if (!vendor) + goto error1; memcpy(vendor, ftl->cis_buffer + SM_CIS_VENDOR_OFFSET, vendor_len); vendor[vendor_len] = 0; /* Initialize sysfs attributes */ vendor_attribute = kzalloc(sizeof(struct sm_sysfs_attribute), GFP_KERNEL); + if (!vendor_attribute) + goto error2; sysfs_attr_init(&vendor_attribute->dev_attr.attr); @@ -83,12 +87,24 @@ struct attribute_group *sm_create_sysfs_attributes(struct sm_ftl *ftl) /* Create array of pointers to the attributes */ attributes = kzalloc(sizeof(struct attribute *) * (NUM_ATTRIBUTES + 1), GFP_KERNEL); + if (!attributes) + goto error3; attributes[0] = &vendor_attribute->dev_attr.attr; /* Finally create the attribute group */ attr_group = kzalloc(sizeof(struct attribute_group), GFP_KERNEL); + if (!attr_group) + goto error4; attr_group->attrs = attributes; return attr_group; +error4: + kfree(attributes); +error3: + kfree(vendor_attribute); +error2: + kfree(vendor); +error1: + return NULL; } void sm_delete_sysfs_attributes(struct sm_ftl *ftl) @@ -1178,6 +1194,8 @@ static void sm_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) } ftl->disk_attributes = sm_create_sysfs_attributes(ftl); + if (!ftl->disk_attributes) + goto error6; trans->disk_attributes = ftl->disk_attributes; sm_printk("Found %d MiB xD/SmartMedia FTL on mtd%d", |
