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authorMark Brown <broonie@kernel.org>2017-11-28 16:19:52 +0000
committerMark Brown <broonie@kernel.org>2017-11-28 16:19:52 +0000
commit69830d3909849dee33b9a2de88ece3d59c75a1b8 (patch)
tree67e22ac989e782ddc104f186dee54d1675e76923 /fs/proc/util.c
parentASoC: rk3399_gru_sound: Map BTN_0 to KEY_PLAYPAUSE (diff)
parentASoC: add snd_soc_disconnect_sync() (diff)
downloadlinux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.tar.xz
linux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.zip
Merge branch 'topic/disconnect' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-rcar
Diffstat (limited to 'fs/proc/util.c')
-rw-r--r--fs/proc/util.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/proc/util.c b/fs/proc/util.c
new file mode 100644
index 000000000000..b161cfa0f9fa
--- /dev/null
+++ b/fs/proc/util.c
@@ -0,0 +1,23 @@
+#include <linux/dcache.h>
+
+unsigned name_to_int(const struct qstr *qstr)
+{
+ const char *name = qstr->name;
+ int len = qstr->len;
+ unsigned n = 0;
+
+ if (len > 1 && *name == '0')
+ goto out;
+ do {
+ unsigned c = *name++ - '0';
+ if (c > 9)
+ goto out;
+ if (n >= (~0U-9)/10)
+ goto out;
+ n *= 10;
+ n += c;
+ } while (--len > 0);
+ return n;
+out:
+ return ~0U;
+}