From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Tue, 31 Jul 2007 22:02:10 +0000 (+0200)
Subject: [UBI] drivers/mtd/ubi/scan.c: kmalloc + memset conversion to kzalloc
X-Git-Tag: v2.6.24-rc1~1364^2~41
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d9b0744d6c75f7b268b728cdd1843f31bdeba311;p=linux-2.6

[UBI] drivers/mtd/ubi/scan.c: kmalloc + memset conversion to kzalloc

To be able to convert kmalloc + memset(..., 1, ...) to kzalloc this patch
reverses the logic around 'buf'.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
---

diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 94ee549344..29c41eeb09 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -1314,11 +1314,10 @@ static int paranoid_check_si(const struct ubi_device *ubi,
 	 * Make sure that all the physical eraseblocks are in one of the lists
 	 * or trees.
 	 */
-	buf = kmalloc(ubi->peb_count, GFP_KERNEL);
+	buf = kzalloc(ubi->peb_count, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
-	memset(buf, 1, ubi->peb_count);
 	for (pnum = 0; pnum < ubi->peb_count; pnum++) {
 		err = ubi_io_is_bad(ubi, pnum);
 		if (err < 0) {
@@ -1326,28 +1325,28 @@ static int paranoid_check_si(const struct ubi_device *ubi,
 			return err;
 		}
 		else if (err)
-			buf[pnum] = 0;
+			buf[pnum] = 1;
 	}
 
 	ubi_rb_for_each_entry(rb1, sv, &si->volumes, rb)
 		ubi_rb_for_each_entry(rb2, seb, &sv->root, u.rb)
-			buf[seb->pnum] = 0;
+			buf[seb->pnum] = 1;
 
 	list_for_each_entry(seb, &si->free, u.list)
-		buf[seb->pnum] = 0;
+		buf[seb->pnum] = 1;
 
 	list_for_each_entry(seb, &si->corr, u.list)
-		buf[seb->pnum] = 0;
+		buf[seb->pnum] = 1;
 
 	list_for_each_entry(seb, &si->erase, u.list)
-		buf[seb->pnum] = 0;
+		buf[seb->pnum] = 1;
 
 	list_for_each_entry(seb, &si->alien, u.list)
-		buf[seb->pnum] = 0;
+		buf[seb->pnum] = 1;
 
 	err = 0;
 	for (pnum = 0; pnum < ubi->peb_count; pnum++)
-		if (buf[pnum]) {
+		if (!buf[pnum]) {
 			ubi_err("PEB %d is not referred", pnum);
 			err = 1;
 		}