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authorTony Lindgren <tony@atomide.com>2021-07-27 11:25:08 +0300
committerTony Lindgren <tony@atomide.com>2021-07-27 11:25:08 +0300
commit353b7a55dcaf5fb8758e09ebe2ddf5f3adbac7c5 (patch)
tree081200957b3d8925cbe913020d45a4e3ba61a7a3 /lib/seq_buf.c
parent3ff340e24c9dd5cff9fc07d67914c5adf67f80d6 (diff)
parentc68ef4ad180e09805fa46965d15e1dfadf09ffa5 (diff)
Merge branch 'fixes-v5.14' into fixes
Diffstat (limited to 'lib/seq_buf.c')
-rw-r--r--lib/seq_buf.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/seq_buf.c b/lib/seq_buf.c
index 707453f5d58e..0a68f7aa85d6 100644
--- a/lib/seq_buf.c
+++ b/lib/seq_buf.c
@@ -229,8 +229,10 @@ int seq_buf_putmem_hex(struct seq_buf *s, const void *mem,
WARN_ON(s->size == 0);
+ BUILD_BUG_ON(MAX_MEMHEX_BYTES * 2 >= HEX_CHARS);
+
while (len) {
- start_len = min(len, HEX_CHARS - 1);
+ start_len = min(len, MAX_MEMHEX_BYTES);
#ifdef __BIG_ENDIAN
for (i = 0, j = 0; i < start_len; i++) {
#else
@@ -243,12 +245,14 @@ int seq_buf_putmem_hex(struct seq_buf *s, const void *mem,
break;
/* j increments twice per loop */
- len -= j / 2;
hex[j++] = ' ';
seq_buf_putmem(s, hex, j);
if (seq_buf_has_overflowed(s))
return -1;
+
+ len -= start_len;
+ data += start_len;
}
return 0;
}
@@ -285,7 +289,7 @@ int seq_buf_path(struct seq_buf *s, const struct path *path, const char *esc)
}
/**
- * seq_buf_to_user - copy the squence buffer to user space
+ * seq_buf_to_user - copy the sequence buffer to user space
* @s: seq_buf descriptor
* @ubuf: The userspace memory location to copy to
* @cnt: The amount to copy