[PATCH v2 2/2] mtd: nand: Remove print after allocation failure

[Arushi Singhal]

The prints after [k|v][m|z|c]alloc() etc. functions are not needed, because
in case of failure, allocator will print their internal error prints
anyway.

Signed-off-by: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>
---
changes in v2
*done the similar changes in other files.

 drivers/mtd/nand/ams-delta.c             |  1 -
 drivers/mtd/nand/atmel/nand-controller.c | 13 +++---------
 drivers/mtd/nand/marvell_nand.c          |  8 ++------
 drivers/mtd/nand/nandsim.c               | 35 ++++++++------------------------
 drivers/mtd/nand/ndfc.c                  |  4 +---
 drivers/mtd/nand/sunxi_nand.c            |  4 +---
 6 files changed, 15 insertions(+), 50 deletions(-)

diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c
index 9de6572..6e7f6e0 100644
--- a/drivers/mtd/nand/ams-delta.c
+++ b/drivers/mtd/nand/ams-delta.c
@@ -185,7 +185,6 @@ static int ams_delta_init(struct platform_device *pdev)
 	/* Allocate memory for MTD device structure and private data */
 	this = kzalloc(sizeof(struct nand_chip), GFP_KERNEL);
 	if (!this) {
-		printk (KERN_WARNING "Unable to allocate E3 NAND MTD device structure.\n");
 		err = -ENOMEM;
 		goto out;
 	}
diff --git a/drivers/mtd/nand/atmel/nand-controller.c b/drivers/mtd/nand/atmel/nand-controller.c
index b2f00b3..b973d42 100644
--- a/drivers/mtd/nand/atmel/nand-controller.c
+++ b/drivers/mtd/nand/atmel/nand-controller.c
@@ -1615,10 +1615,8 @@ static int atmel_nand_register(struct atmel_nand *nand)
 		mtd->name = devm_kasprintf(nc->dev, GFP_KERNEL,
 					   "%s:nand.%d", dev_name(nc->dev),
 					   nand->cs[0].id);
-		if (!mtd->name) {
-			dev_err(nc->dev, "Failed to allocate mtd->name\n");
+		if (!mtd->name)
 			return -ENOMEM;
-		}
 	}
 
 	ret = nand_scan_tail(mtd);
@@ -1657,10 +1655,8 @@ static struct atmel_nand *atmel_nand_create(struct atmel_nand_controller *nc,
 	nand = devm_kzalloc(nc->dev,
 			    sizeof(*nand) + (numcs * sizeof(*nand->cs)),
 			    GFP_KERNEL);
-	if (!nand) {
-		dev_err(nc->dev, "Failed to allocate NAND object\n");
+	if (!nand)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	nand->numcs = numcs;
 
@@ -2217,11 +2213,8 @@ atmel_hsmc_nand_controller_init(struct atmel_hsmc_nand_controller *nc)
 	nc->sram.virt = gen_pool_dma_alloc(nc->sram.pool,
 					    ATMEL_NFC_SRAM_SIZE,
 					    &nc->sram.dma);
-	if (!nc->sram.virt) {
-		dev_err(nc->base.dev,
-			"Could not allocate memory from the NFC SRAM pool\n");
+	if (!nc->sram.virt)
 		return -ENOMEM;
-	}
 
 	return 0;
 }
diff --git a/drivers/mtd/nand/marvell_nand.c b/drivers/mtd/nand/marvell_nand.c
index 2196f2a..9dd2673 100644
--- a/drivers/mtd/nand/marvell_nand.c
+++ b/drivers/mtd/nand/marvell_nand.c
@@ -2307,10 +2307,8 @@ static int marvell_nand_chip_init(struct device *dev, struct marvell_nfc *nfc,
 				    (nsels *
 				     sizeof(struct marvell_nand_chip_sel)),
 				    GFP_KERNEL);
-	if (!marvell_nand) {
-		dev_err(dev, "could not allocate chip structure\n");
+	if (!marvell_nand)
 		return -ENOMEM;
-	}
 
 	marvell_nand->nsels = nsels;
 	marvell_nand->selected_die = -1;
@@ -2506,10 +2504,8 @@ static int marvell_nand_chip_init(struct device *dev, struct marvell_nfc *nfc,
 		mtd->name = devm_kasprintf(nfc->dev, GFP_KERNEL,
 					   "%s:nand.%d", dev_name(nfc->dev),
 					   marvell_nand->sels[0].cs);
-		if (!mtd->name) {
-			dev_err(nfc->dev, "Failed to allocate mtd->name\n");
+		if (!mtd->name)
 			return -ENOMEM;
-		}
 	}
 
 	ret = nand_scan_tail(mtd);
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 44322a3..b6a5c09 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -569,13 +569,11 @@ static int __init alloc_device(struct nandsim *ns)
 		ns->pages_written = vzalloc(BITS_TO_LONGS(ns->geom.pgnum) *
 					    sizeof(unsigned long));
 		if (!ns->pages_written) {
-			NS_ERR("alloc_device: unable to allocate pages written array\n");
 			err = -ENOMEM;
 			goto err_close;
 		}
 		ns->file_buf = kmalloc(ns->geom.pgszoob, GFP_KERNEL);
 		if (!ns->file_buf) {
-			NS_ERR("alloc_device: unable to allocate file buf\n");
 			err = -ENOMEM;
 			goto err_free;
 		}
@@ -584,10 +582,8 @@ static int __init alloc_device(struct nandsim *ns)
 	}
 
 	ns->pages = vmalloc(ns->geom.pgnum * sizeof(union ns_mem));
-	if (!ns->pages) {
-		NS_ERR("alloc_device: unable to allocate page array\n");
+	if (!ns->pages)
 		return -ENOMEM;
-	}
 	for (i = 0; i < ns->geom.pgnum; i++) {
 		ns->pages[i].byte = NULL;
 	}
@@ -769,11 +765,8 @@ static int __init init_nandsim(struct mtd_info *mtd)
 
 	/* Allocate / initialize the internal buffer */
 	ns->buf.byte = kmalloc(ns->geom.pgszoob, GFP_KERNEL);
-	if (!ns->buf.byte) {
-		NS_ERR("init_nandsim: unable to allocate %u bytes for the internal buffer\n",
-			ns->geom.pgszoob);
+	if (!ns->buf.byte)
 		return -ENOMEM;
-	}
 	memset(ns->buf.byte, 0xFF, ns->geom.pgszoob);
 
 	return 0;
@@ -844,10 +837,8 @@ static int parse_weakblocks(void)
 		if (*w == ',')
 			w += 1;
 		wb = kzalloc(sizeof(*wb), GFP_KERNEL);
-		if (!wb) {
-			NS_ERR("unable to allocate memory.\n");
+		if (!wb)
 			return -ENOMEM;
-		}
 		wb->erase_block_no = erase_block_no;
 		wb->max_erases = max_erases;
 		list_add(&wb->list, &weak_blocks);
@@ -895,10 +886,8 @@ static int parse_weakpages(void)
 		if (*w == ',')
 			w += 1;
 		wp = kzalloc(sizeof(*wp), GFP_KERNEL);
-		if (!wp) {
-			NS_ERR("unable to allocate memory.\n");
+		if (!wp)
 			return -ENOMEM;
-		}
 		wp->page_no = page_no;
 		wp->max_writes = max_writes;
 		list_add(&wp->list, &weak_pages);
@@ -946,10 +935,8 @@ static int parse_gravepages(void)
 		if (*g == ',')
 			g += 1;
 		gp = kzalloc(sizeof(*gp), GFP_KERNEL);
-		if (!gp) {
-			NS_ERR("unable to allocate memory.\n");
+		if (!gp)
 			return -ENOMEM;
-		}
 		gp->page_no = page_no;
 		gp->max_reads = max_reads;
 		list_add(&gp->list, &grave_pages);
@@ -1000,10 +987,8 @@ static int setup_wear_reporting(struct mtd_info *mtd)
 		return -ENOMEM;
 	}
 	erase_block_wear = kzalloc(mem, GFP_KERNEL);
-	if (!erase_block_wear) {
-		NS_ERR("Too many erase blocks for wear reporting\n");
+	if (!erase_block_wear)
 		return -ENOMEM;
-	}
 	return 0;
 }
 
@@ -1558,10 +1543,8 @@ static int prog_page(struct nandsim *ns, int num)
 		 * again and deadlocks. This was seen in practice.
 		 */
 		mypage->byte = kmem_cache_alloc(ns->nand_pages_slab, GFP_NOFS);
-		if (mypage->byte == NULL) {
-			NS_ERR("prog_page: error allocating memory for page %d\n", ns->regs.row);
+		if (!mypage->byte)
 			return -1;
-		}
 		memset(mypage->byte, 0xFF, ns->geom.pgszoob);
 	}
 
@@ -2209,10 +2192,8 @@ static int __init ns_init_module(void)
 	/* Allocate and initialize mtd_info, nand_chip and nandsim structures */
 	chip = kzalloc(sizeof(struct nand_chip) + sizeof(struct nandsim),
 		       GFP_KERNEL);
-	if (!chip) {
-		NS_ERR("unable to allocate core structures.\n");
+	if (!chip)
 		return -ENOMEM;
-	}
 	nsmtd       = nand_to_mtd(chip);
 	nand        = (struct nandsim *)(chip + 1);
 	nand_set_controller_data(chip, (void *)nand);
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index d8a8068..ea8d652 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -223,10 +223,8 @@ static int ndfc_probe(struct platform_device *ofdev)
 	dev_set_drvdata(&ofdev->dev, ndfc);
 
 	ndfc->ndfcbase = of_iomap(ofdev->dev.of_node, 0);
-	if (!ndfc->ndfcbase) {
-		dev_err(&ofdev->dev, "failed to get memory\n");
+	if (!ndfc->ndfcbase)
 		return -EIO;
-	}
 
 	ccr = NDFC_CCR_BS(ndfc->chip_select);
 
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index f5a55c6..f38359f7 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -2030,10 +2030,8 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
 			    sizeof(*chip) +
 			    (nsels * sizeof(struct sunxi_nand_chip_sel)),
 			    GFP_KERNEL);
-	if (!chip) {
-		dev_err(dev, "could not allocate chip\n");
+	if (!chip)
 		return -ENOMEM;
-	}
 
 	chip->nsels = nsels;
 	chip->selected = -1;
-- 
2.7.4