[PATCH] comments on locking of task->comm
Add some comments about task->comm, to explain what it is near its definition
and provide some important pointers to its uses.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/exec.c b/fs/exec.c
index 52acff3..e56ee24 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -869,9 +869,11 @@
if (current->euid == current->uid && current->egid == current->gid)
current->mm->dumpable = 1;
name = bprm->filename;
+
+ /* Copies the binary name from after last slash */
for (i=0; (ch = *(name++)) != '\0';) {
if (ch == '/')
- i = 0;
+ i = 0; /* overwrite what we wrote */
else
if (i < (sizeof(tcomm) - 1))
tcomm[i++] = ch;