diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/kasprintf.c | 2 | ||||
| -rw-r--r-- | lib/scatterlist.c | 19 |
2 files changed, 20 insertions, 1 deletions
diff --git a/lib/kasprintf.c b/lib/kasprintf.c index ae0de80c1c88..32f12150fc4f 100644 --- a/lib/kasprintf.c +++ b/lib/kasprintf.c @@ -21,7 +21,7 @@ char *kvasprintf(gfp_t gfp, const char *fmt, va_list ap) len = vsnprintf(NULL, 0, fmt, aq); va_end(aq); - p = kmalloc(len+1, gfp); + p = kmalloc_track_caller(len+1, gfp); if (!p) return NULL; diff --git a/lib/scatterlist.c b/lib/scatterlist.c index e76d85cf3175..3675452b23ca 100644 --- a/lib/scatterlist.c +++ b/lib/scatterlist.c @@ -39,6 +39,25 @@ struct scatterlist *sg_next(struct scatterlist *sg) EXPORT_SYMBOL(sg_next); /** + * sg_nents - return total count of entries in scatterlist + * @sg: The scatterlist + * + * Description: + * Allows to know how many entries are in sg, taking into acount + * chaining as well + * + **/ +int sg_nents(struct scatterlist *sg) +{ + int nents; + for (nents = 0; sg; sg = sg_next(sg)) + nents++; + return nents; +} +EXPORT_SYMBOL(sg_nents); + + +/** * sg_last - return the last scatterlist entry in a list * @sgl: First entry in the scatterlist * @nents: Number of entries in the scatterlist |