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| author | Artem Bityutskiy <dedekind@infradead.org> | 2006-10-11 14:52:47 +0300 |
|---|---|---|
| committer | Artem Bityutskiy <dedekind@infradead.org> | 2006-11-29 17:06:38 +0200 |
| commit | 9c74034f8fc5d93fbe5656421cbbdc4c76ddda28 (patch) | |
| tree | e5a205e124c0e42899743d765598f82a228156c2 /drivers/mtd/mtdchar.c | |
| parent | 9fe912cea32aec18f860c95e8574410b5892481b (diff) | |
| download | lwn-9c74034f8fc5d93fbe5656421cbbdc4c76ddda28.tar.gz lwn-9c74034f8fc5d93fbe5656421cbbdc4c76ddda28.zip | |
[MTD] return error code from get_mtd_device()
get_mtd_device() returns NULL in case of any failure. Teach it to return an
error code instead. Fix all users as well.
Signed-off-by: Artem Bityutskiy <dedekind@infradead.org>
Diffstat (limited to 'drivers/mtd/mtdchar.c')
| -rw-r--r-- | drivers/mtd/mtdchar.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 7c4adc641328..3013d0883b97 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -7,6 +7,7 @@ #include <linux/device.h> #include <linux/fs.h> +#include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> @@ -100,8 +101,8 @@ static int mtd_open(struct inode *inode, struct file *file) mtd = get_mtd_device(NULL, devnum); - if (!mtd) - return -ENODEV; + if (IS_ERR(mtd)) + return PTR_ERR(mtd); if (MTD_ABSENT == mtd->type) { put_mtd_device(mtd); |