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-rw-r--r--lib/seq_buf.c36
1 files changed, 0 insertions, 36 deletions
diff --git a/lib/seq_buf.c b/lib/seq_buf.c
index 4eedfedb9e31..88c0854bd752 100644
--- a/lib/seq_buf.c
+++ b/lib/seq_buf.c
@@ -91,42 +91,6 @@ int seq_buf_printf(struct seq_buf *s, const char *fmt, ...)
91 return ret; 91 return ret;
92} 92}
93 93
94/**
95 * seq_buf_bitmask - write a bitmask array in its ASCII representation
96 * @s: seq_buf descriptor
97 * @maskp: points to an array of unsigned longs that represent a bitmask
98 * @nmaskbits: The number of bits that are valid in @maskp
99 *
100 * Writes a ASCII representation of a bitmask string into @s.
101 *
102 * Returns zero on success, -1 on overflow.
103 */
104int seq_buf_bitmask(struct seq_buf *s, const unsigned long *maskp,
105 int nmaskbits)
106{
107 unsigned int len = seq_buf_buffer_left(s);
108 int ret;
109
110 WARN_ON(s->size == 0);
111
112 /*
113 * Note, because bitmap_scnprintf() only returns the number of bytes
114 * written and not the number that would be written, we use the last
115 * byte of the buffer to let us know if we overflowed. There's a small
116 * chance that the bitmap could have fit exactly inside the buffer, but
117 * it's not that critical if that does happen.
118 */
119 if (len > 1) {
120 ret = bitmap_scnprintf(s->buffer + s->len, len, maskp, nmaskbits);
121 if (ret < len) {
122 s->len += ret;
123 return 0;
124 }
125 }
126 seq_buf_set_overflow(s);
127 return -1;
128}
129
130#ifdef CONFIG_BINARY_PRINTF 94#ifdef CONFIG_BINARY_PRINTF
131/** 95/**
132 * seq_buf_bprintf - Write the printf string from binary arguments 96 * seq_buf_bprintf - Write the printf string from binary arguments