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drivers/mtd/mtd_partition.c: Copy the partition name to internal buffer so that the caller can free the name argument

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This commit is contained in:
Xiang Xiao 2018-08-28 07:06:37 -06:00 committed by Gregory Nutt
parent 159b88c871
commit 41a1e76735
1 changed files with 22 additions and 26 deletions
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20
drivers/mtd/mtd_partition.c
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@ -93,7 +93,7 @@ struct mtd_partition_s
struct mtd_partition_s *pnext; /* Pointer to next partition struct */
#endif
#ifdef CONFIG_MTD_PARTITION_NAMES
FAR const char *name; /* Name of the partition */
char name[11]; /* Name of the partition */
#endif
};
@ -604,12 +604,6 @@ static ssize_t part_procfs_read(FAR struct file *filep, FAR char *buffer,
/* Copy data from the next known partition */
#ifdef CONFIG_MTD_PARTITION_NAMES
if (attr->nextpart->name == NULL)
{
strcpy(partname, "(noname) ");
}
else
{
ptr = attr->nextpart->name;
for (x = 0; x < sizeof(partname) - 1; x++)
{
@ -630,7 +624,6 @@ static ssize_t part_procfs_read(FAR struct file *filep, FAR char *buffer,
}
partname[x] = '\0';
}
/* Terminate the partition name and add to output buffer */
@ -860,7 +853,7 @@ FAR struct mtd_dev_s *mtd_partition(FAR struct mtd_dev_s *mtd, off_t firstblock,
part->blkpererase = blkpererase;
#ifdef CONFIG_MTD_PARTITION_NAMES
part->name = NULL;
strcpy(part->name, "(noname)");
#endif
#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_PROCFS_EXCLUDE_PARTITIONS)
@ -906,11 +899,14 @@ int mtd_setpartitionname(FAR struct mtd_dev_s *mtd, FAR const char *name)
{
FAR struct mtd_partition_s *priv = (FAR struct mtd_partition_s *)mtd;
DEBUGASSERT(mtd);
DEBUGASSERT(name);
if (priv == NULL || name == NULL)
{
return -EINVAL;
}
/* Allocate space for the name */
priv->name = name;
strncpy(priv->name, name, sizeof(priv->name));
return OK;
}
#endif