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David Howells ceb73c1204 KEYS: Fix __key_link_end() quota fixup on error ... Fix __key_link_end()'s attempt to fix up the quota if an error occurs. There are two erroneous cases: Firstly, we always decrease the quota if the preallocated replacement keyring needs cleaning up, irrespective of whether or not we should (we may have replaced a pointer rather than adding another pointer). Secondly, we never clean up the quota if we added a pointer without the keyring storage being extended (we allocate multiple pointers at a time, even if we're not going to use them all immediately). We handle this by setting the bottom bit of the preallocation pointer in __key_link_begin() to indicate that the quota needs fixing up, which is then passed to __key_link() (which clears the whole thing) and __key_link_end(). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		14 years ago
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Makefile	…
compat.c	…
encrypted.c	…
encrypted.h	…
gc.c	…
internal.h	KEYS: Fix __key_link_end() quota fixup on error	14 years ago
key.c	KEYS: Fix __key_link_end() quota fixup on error	14 years ago
keyctl.c	…
keyring.c	KEYS: Fix __key_link_end() quota fixup on error	14 years ago
permission.c	…
proc.c	…
process_keys.c	…
request_key.c	KEYS: Fix __key_link_end() quota fixup on error	14 years ago
request_key_auth.c	…
sysctl.c	…
trusted.c	…
trusted.h	…
user_defined.c	…