This allows userspace to distinguish what is going on.
EACCES is returned when user lacks required capability,
not that device is read-only.
Signed-off-by: Milan Broz <mbroz@xxxxxxxxxx>
---
fs/block_dev.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/block_dev.c b/fs/block_dev.c
index c9cf9f7..db2c8db 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1219,7 +1219,7 @@ int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder)
/* __blkdev_get() may alter read only status, check it afterwards */
if (!res && (mode & FMODE_WRITE) && bdev_read_only(bdev)) {
__blkdev_put(bdev, mode, 0);
- res = -EACCES;
+ res = -EROFS;
}
if (whole) {
--
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