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| author | Alex Elder <elder@inktank.com> | 2012-10-26 06:34:41 +0200 |
|---|---|---|
| committer | Alex Elder <elder@inktank.com> | 2012-10-30 14:34:29 +0100 |
| commit | e5c35534042f4b5957a32bba651222c91247beba (patch) | |
| tree | 979442169ba45a6d852cbf57f918ce04d20c378d /drivers/block | |
| parent | rbd: do all argument parsing in one place (diff) | |
| download | linux-e5c35534042f4b5957a32bba651222c91247beba.tar.xz linux-e5c35534042f4b5957a32bba651222c91247beba.zip | |
rbd: get rid of snap_name_len
The value returned in the "snap_name_len" argument to
rbd_add_parse_args() is never actually used, so get rid of it.
The snap_name_len recorded in rbd_dev_v2_snap_name() is not
useful either, so get rid of that too.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/rbd.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 68447d83288c..7bd23139b948 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2408,7 +2408,6 @@ static char *rbd_dev_v2_snap_name(struct rbd_device *rbd_dev, u32 which) int ret; void *p; void *end; - size_t snap_name_len; char *snap_name; size = sizeof (__le32) + RBD_MAX_SNAP_NAME_LEN; @@ -2428,9 +2427,7 @@ static char *rbd_dev_v2_snap_name(struct rbd_device *rbd_dev, u32 which) p = reply_buf; end = (char *) reply_buf + size; - snap_name_len = 0; - snap_name = ceph_extract_encoded_string(&p, end, &snap_name_len, - GFP_KERNEL); + snap_name = ceph_extract_encoded_string(&p, end, NULL, GFP_KERNEL); if (IS_ERR(snap_name)) { ret = PTR_ERR(snap_name); goto out; @@ -2849,8 +2846,7 @@ static struct ceph_options *rbd_add_parse_args(struct rbd_device *rbd_dev, const char *buf, char *options, size_t options_size, - char **snap_name, - size_t *snap_name_len) + char **snap_name) { size_t len; const char *mon_addrs; @@ -2898,7 +2894,7 @@ static struct ceph_options *rbd_add_parse_args(struct rbd_device *rbd_dev, goto out_err; memcpy(*snap_name, buf, len); *(*snap_name + len) = '\0'; - *snap_name_len = len; + /* Initialize all rbd options to the defaults */ rbd_opts.read_only = RBD_READ_ONLY_DEFAULT; @@ -3131,7 +3127,6 @@ static ssize_t rbd_add(struct bus_type *bus, char *options; struct rbd_device *rbd_dev = NULL; char *snap_name; - size_t snap_name_len = 0; struct ceph_options *ceph_opts; struct ceph_osd_client *osdc; int rc = -ENOMEM; @@ -3154,7 +3149,7 @@ static ssize_t rbd_add(struct bus_type *bus, /* parse add command */ ceph_opts = rbd_add_parse_args(rbd_dev, buf, options, count, - &snap_name, &snap_name_len); + &snap_name); if (IS_ERR(ceph_opts)) { rc = PTR_ERR(ceph_opts); goto err_out_mem; |