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path: root/drivers/mtd/mtdpstore.c
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Diffstat (limited to 'drivers/mtd/mtdpstore.c')
-rw-r--r--drivers/mtd/mtdpstore.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/mtd/mtdpstore.c b/drivers/mtd/mtdpstore.c
index e13d42c0acb0..9cf3872e37ae 100644
--- a/drivers/mtd/mtdpstore.c
+++ b/drivers/mtd/mtdpstore.c
@@ -401,7 +401,7 @@ static void mtdpstore_notify_add(struct mtd_info *mtd)
/*
* kmsg_size must be aligned to 4096 Bytes, which is limited by
* psblk. The default value of kmsg_size is 64KB. If kmsg_size
- * is larger than erasesize, some errors will occur since mtdpsotre
+ * is larger than erasesize, some errors will occur since mtdpstore
* is designed on it.
*/
if (mtd->erasesize < info->kmsg_size) {
@@ -417,11 +417,14 @@ static void mtdpstore_notify_add(struct mtd_info *mtd)
}
longcnt = BITS_TO_LONGS(div_u64(mtd->size, info->kmsg_size));
- cxt->rmmap = kcalloc(longcnt, sizeof(long), GFP_KERNEL);
- cxt->usedmap = kcalloc(longcnt, sizeof(long), GFP_KERNEL);
+ cxt->rmmap = devm_kcalloc(&mtd->dev, longcnt, sizeof(long), GFP_KERNEL);
+ cxt->usedmap = devm_kcalloc(&mtd->dev, longcnt, sizeof(long), GFP_KERNEL);
longcnt = BITS_TO_LONGS(div_u64(mtd->size, mtd->erasesize));
- cxt->badmap = kcalloc(longcnt, sizeof(long), GFP_KERNEL);
+ cxt->badmap = devm_kcalloc(&mtd->dev, longcnt, sizeof(long), GFP_KERNEL);
+
+ if (!cxt->rmmap || !cxt->usedmap || !cxt->badmap)
+ return;
/* just support dmesg right now */
cxt->dev.flags = PSTORE_FLAGS_DMESG;
@@ -527,9 +530,6 @@ static void mtdpstore_notify_remove(struct mtd_info *mtd)
mtdpstore_flush_removed(cxt);
unregister_pstore_device(&cxt->dev);
- kfree(cxt->badmap);
- kfree(cxt->usedmap);
- kfree(cxt->rmmap);
cxt->mtd = NULL;
cxt->index = -1;
}