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Diffstat (limited to 'lib/seq_buf.c')
-rw-r--r--lib/seq_buf.c40
1 files changed, 2 insertions, 38 deletions
diff --git a/lib/seq_buf.c b/lib/seq_buf.c
index 4eedfedb9e31..5c94e1012a91 100644
--- a/lib/seq_buf.c
+++ b/lib/seq_buf.c
@@ -61,7 +61,7 @@ int seq_buf_vprintf(struct seq_buf *s, const char *fmt, va_list args)
if (s->len < s->size) {
len = vsnprintf(s->buffer + s->len, s->size - s->len, fmt, args);
- if (seq_buf_can_fit(s, len)) {
+ if (s->len + len < s->size) {
s->len += len;
return 0;
}
@@ -91,42 +91,6 @@ int seq_buf_printf(struct seq_buf *s, const char *fmt, ...)
return ret;
}
-/**
- * seq_buf_bitmask - write a bitmask array in its ASCII representation
- * @s: seq_buf descriptor
- * @maskp: points to an array of unsigned longs that represent a bitmask
- * @nmaskbits: The number of bits that are valid in @maskp
- *
- * Writes a ASCII representation of a bitmask string into @s.
- *
- * Returns zero on success, -1 on overflow.
- */
-int seq_buf_bitmask(struct seq_buf *s, const unsigned long *maskp,
- int nmaskbits)
-{
- unsigned int len = seq_buf_buffer_left(s);
- int ret;
-
- WARN_ON(s->size == 0);
-
- /*
- * Note, because bitmap_scnprintf() only returns the number of bytes
- * written and not the number that would be written, we use the last
- * byte of the buffer to let us know if we overflowed. There's a small
- * chance that the bitmap could have fit exactly inside the buffer, but
- * it's not that critical if that does happen.
- */
- if (len > 1) {
- ret = bitmap_scnprintf(s->buffer + s->len, len, maskp, nmaskbits);
- if (ret < len) {
- s->len += ret;
- return 0;
- }
- }
- seq_buf_set_overflow(s);
- return -1;
-}
-
#ifdef CONFIG_BINARY_PRINTF
/**
* seq_buf_bprintf - Write the printf string from binary arguments
@@ -154,7 +118,7 @@ int seq_buf_bprintf(struct seq_buf *s, const char *fmt, const u32 *binary)
if (s->len < s->size) {
ret = bstr_printf(s->buffer + s->len, len, fmt, binary);
- if (seq_buf_can_fit(s, ret)) {
+ if (s->len + ret < s->size) {
s->len += ret;
return 0;
}