1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
From 271ef48cf11b86ab666582051fed3bdb13681e64 Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Date: Wed, 17 Apr 2013 13:38:09 -0300
Subject: [PATCH 101/203] mtd: nand: pxa3xx: Use devm_kzalloc
Replace regular kzalloc with managed devm_kzalloc
which simplifies the error path.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
drivers/mtd/nand/pxa3xx_nand.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1035,12 +1035,10 @@ static int alloc_nand_resource(struct pl
int ret, irq, cs;
pdata = pdev->dev.platform_data;
- info = kzalloc(sizeof(*info) + (sizeof(*mtd) +
- sizeof(*host)) * pdata->num_cs, GFP_KERNEL);
- if (!info) {
- dev_err(&pdev->dev, "failed to allocate memory\n");
+ info = devm_kzalloc(&pdev->dev, sizeof(*info) + (sizeof(*mtd) +
+ sizeof(*host)) * pdata->num_cs, GFP_KERNEL);
+ if (!info)
return -ENOMEM;
- }
info->pdev = pdev;
for (cs = 0; cs < pdata->num_cs; cs++) {
@@ -1072,8 +1070,7 @@ static int alloc_nand_resource(struct pl
info->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(info->clk)) {
dev_err(&pdev->dev, "failed to get nand clock\n");
- ret = PTR_ERR(info->clk);
- goto fail_free_mtd;
+ return PTR_ERR(info->clk);
}
clk_enable(info->clk);
@@ -1165,8 +1162,6 @@ fail_free_res:
fail_put_clk:
clk_disable(info->clk);
clk_put(info->clk);
-fail_free_mtd:
- kfree(info);
return ret;
}
@@ -1202,7 +1197,6 @@ static int pxa3xx_nand_remove(struct pla
for (cs = 0; cs < pdata->num_cs; cs++)
nand_release(info->host[cs]->mtd);
- kfree(info);
return 0;
}
|
