Re: [PATCH 06/16] MTD: tests: fix sparse warnings: Using plain integer as NULL pointer

From: Hannes Eder
Date: Thu Feb 26 2009 - 20:02:39 EST


[Added To]

On Sun, Feb 22, 2009 at 1:02 AM, Hannes Eder <hannes@xxxxxxxxxxxxxx> wrote:
> Fix this sparse warnings:
>  drivers/mtd/tests/mtd_oobtest.c:139:33: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:192:33: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:219:41: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:284:25: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:525:25: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:545:25: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:569:33: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:589:33: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:613:33: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:633:33: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:673:41: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_oobtest.c:701:33: warning: Using plain integer as NULL pointer
>  drivers/mtd/tests/mtd_readtest.c:74:41: warning: Using plain integer as NULL pointer
>
> Signed-off-by: Hannes Eder <hannes@xxxxxxxxxxxxxx>
> ---
>  drivers/mtd/tests/mtd_oobtest.c  |   24 ++++++++++++------------
>  drivers/mtd/tests/mtd_readtest.c |    2 +-
>  2 files changed, 13 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/mtd/tests/mtd_oobtest.c b/drivers/mtd/tests/mtd_oobtest.c
> index afbc3f8..a18e8d2 100644
> --- a/drivers/mtd/tests/mtd_oobtest.c
> +++ b/drivers/mtd/tests/mtd_oobtest.c
> @@ -136,7 +136,7 @@ static int write_eraseblock(int ebnum)
>                ops.ooblen    = use_len;
>                ops.oobretlen = 0;
>                ops.ooboffs   = use_offset;
> -               ops.datbuf    = 0;
> +               ops.datbuf    = NULL;
>                ops.oobbuf    = writebuf;
>                err = mtd->write_oob(mtd, addr, &ops);
>                if (err || ops.oobretlen != use_len) {
> @@ -189,7 +189,7 @@ static int verify_eraseblock(int ebnum)
>                ops.ooblen    = use_len;
>                ops.oobretlen = 0;
>                ops.ooboffs   = use_offset;
> -               ops.datbuf    = 0;
> +               ops.datbuf    = NULL;
>                ops.oobbuf    = readbuf;
>                err = mtd->read_oob(mtd, addr, &ops);
>                if (err || ops.oobretlen != use_len) {
> @@ -216,7 +216,7 @@ static int verify_eraseblock(int ebnum)
>                        ops.ooblen    = mtd->ecclayout->oobavail;
>                        ops.oobretlen = 0;
>                        ops.ooboffs   = 0;
> -                       ops.datbuf    = 0;
> +                       ops.datbuf    = NULL;
>                        ops.oobbuf    = readbuf;
>                        err = mtd->read_oob(mtd, addr, &ops);
>                        if (err || ops.oobretlen != mtd->ecclayout->oobavail) {
> @@ -281,7 +281,7 @@ static int verify_eraseblock_in_one_go(int ebnum)
>        ops.ooblen    = len;
>        ops.oobretlen = 0;
>        ops.ooboffs   = 0;
> -       ops.datbuf    = 0;
> +       ops.datbuf    = NULL;
>        ops.oobbuf    = readbuf;
>        err = mtd->read_oob(mtd, addr, &ops);
>        if (err || ops.oobretlen != len) {
> @@ -522,7 +522,7 @@ static int __init mtd_oobtest_init(void)
>        ops.ooblen    = 1;
>        ops.oobretlen = 0;
>        ops.ooboffs   = mtd->ecclayout->oobavail;
> -       ops.datbuf    = 0;
> +       ops.datbuf    = NULL;
>        ops.oobbuf    = writebuf;
>        printk(PRINT_PREF "attempting to start write past end of OOB\n");
>        printk(PRINT_PREF "an error is expected...\n");
> @@ -542,7 +542,7 @@ static int __init mtd_oobtest_init(void)
>        ops.ooblen    = 1;
>        ops.oobretlen = 0;
>        ops.ooboffs   = mtd->ecclayout->oobavail;
> -       ops.datbuf    = 0;
> +       ops.datbuf    = NULL;
>        ops.oobbuf    = readbuf;
>        printk(PRINT_PREF "attempting to start read past end of OOB\n");
>        printk(PRINT_PREF "an error is expected...\n");
> @@ -566,7 +566,7 @@ static int __init mtd_oobtest_init(void)
>                ops.ooblen    = mtd->ecclayout->oobavail + 1;
>                ops.oobretlen = 0;
>                ops.ooboffs   = 0;
> -               ops.datbuf    = 0;
> +               ops.datbuf    = NULL;
>                ops.oobbuf    = writebuf;
>                printk(PRINT_PREF "attempting to write past end of device\n");
>                printk(PRINT_PREF "an error is expected...\n");
> @@ -586,7 +586,7 @@ static int __init mtd_oobtest_init(void)
>                ops.ooblen    = mtd->ecclayout->oobavail + 1;
>                ops.oobretlen = 0;
>                ops.ooboffs   = 0;
> -               ops.datbuf    = 0;
> +               ops.datbuf    = NULL;
>                ops.oobbuf    = readbuf;
>                printk(PRINT_PREF "attempting to read past end of device\n");
>                printk(PRINT_PREF "an error is expected...\n");
> @@ -610,7 +610,7 @@ static int __init mtd_oobtest_init(void)
>                ops.ooblen    = mtd->ecclayout->oobavail;
>                ops.oobretlen = 0;
>                ops.ooboffs   = 1;
> -               ops.datbuf    = 0;
> +               ops.datbuf    = NULL;
>                ops.oobbuf    = writebuf;
>                printk(PRINT_PREF "attempting to write past end of device\n");
>                printk(PRINT_PREF "an error is expected...\n");
> @@ -630,7 +630,7 @@ static int __init mtd_oobtest_init(void)
>                ops.ooblen    = mtd->ecclayout->oobavail;
>                ops.oobretlen = 0;
>                ops.ooboffs   = 1;
> -               ops.datbuf    = 0;
> +               ops.datbuf    = NULL;
>                ops.oobbuf    = readbuf;
>                printk(PRINT_PREF "attempting to read past end of device\n");
>                printk(PRINT_PREF "an error is expected...\n");
> @@ -670,7 +670,7 @@ static int __init mtd_oobtest_init(void)
>                        ops.ooblen    = sz;
>                        ops.oobretlen = 0;
>                        ops.ooboffs   = 0;
> -                       ops.datbuf    = 0;
> +                       ops.datbuf    = NULL;
>                        ops.oobbuf    = writebuf;
>                        err = mtd->write_oob(mtd, addr, &ops);
>                        if (err)
> @@ -698,7 +698,7 @@ static int __init mtd_oobtest_init(void)
>                ops.ooblen    = mtd->ecclayout->oobavail * 2;
>                ops.oobretlen = 0;
>                ops.ooboffs   = 0;
> -               ops.datbuf    = 0;
> +               ops.datbuf    = NULL;
>                ops.oobbuf    = readbuf;
>                err = mtd->read_oob(mtd, addr, &ops);
>                if (err)
> diff --git a/drivers/mtd/tests/mtd_readtest.c b/drivers/mtd/tests/mtd_readtest.c
> index 645e77f..79fc453 100644
> --- a/drivers/mtd/tests/mtd_readtest.c
> +++ b/drivers/mtd/tests/mtd_readtest.c
> @@ -71,7 +71,7 @@ static int read_eraseblock_by_page(int ebnum)
>                        ops.ooblen    = mtd->oobsize;
>                        ops.oobretlen = 0;
>                        ops.ooboffs   = 0;
> -                       ops.datbuf    = 0;
> +                       ops.datbuf    = NULL;
>                        ops.oobbuf    = oobbuf;
>                        ret = mtd->read_oob(mtd, addr, &ops);
>                        if (ret || ops.oobretlen != mtd->oobsize) {
>
>
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