Re: [PATCH] selinux: Remove unnecessary check of array base in selinux_set_mapping()

3 messages, 2 authors, 2017-03-29 · open the first message on its own page

Re: [PATCH] selinux: Remove unnecessary check of array base in selinux_set_mapping()

From: Paul Moore <paul@paul-moore.com>
Date: 2017-03-23 12:08:09

On Wed, Mar 22, 2017 at 8:28 PM, Grant Grundler [off-list ref] wrote:
Ping? Any feedback on this patch?
It's on my list of patches to review, patience please.
On Thu, Mar 16, 2017 at 3:26 PM, Matthias Kaehlcke [off-list ref] wrote:
quoted
'perms' will never be NULL since it isn't a plain pointer but an array
of u32 values.

This fixes the following warning when building with clang:

security/selinux/ss/services.c:158:16: error: address of array
'p_in->perms' will always evaluate to 'true'
[-Werror,-Wpointer-bool-conversion]
                while (p_in->perms && p_in->perms[k]) {

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
---
 security/selinux/ss/services.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/security/selinux/ss/services.c
b/security/selinux/ss/services.c
index 082b20c78363..2f20b5f974f4 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -155,7 +155,7 @@ static int selinux_set_mapping(struct policydb *pol,
                }

                k = 0;
-               while (p_in->perms && p_in->perms[k]) {
+               while (p_in->perms[k]) {
                        /* An empty permission string skips ahead */
                        if (!*p_in->perms[k]) {
                                k++;
--
2.12.0.367.g23dc2f6d3c-goog


-- 
paul moore
www.paul-moore.com
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Re: [PATCH] selinux: Remove unnecessary check of array base in selinux_set_mapping()

From: Grant Grundler <hidden>
Date: 2017-03-23 17:34:37

On Thu, Mar 23, 2017 at 5:08 AM, Paul Moore [off-list ref] wrote:
On Wed, Mar 22, 2017 at 8:28 PM, Grant Grundler [off-list ref] wrote:
quoted
Ping? Any feedback on this patch?
It's on my list of patches to review, patience please.
No problem! Thank you!

just wanted confirmation it wasn't overlooked.

cheers,
grant
quoted
On Thu, Mar 16, 2017 at 3:26 PM, Matthias Kaehlcke [off-list ref] wrote:
quoted
'perms' will never be NULL since it isn't a plain pointer but an array
of u32 values.

This fixes the following warning when building with clang:

security/selinux/ss/services.c:158:16: error: address of array
'p_in->perms' will always evaluate to 'true'
[-Werror,-Wpointer-bool-conversion]
                while (p_in->perms && p_in->perms[k]) {

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
---
 security/selinux/ss/services.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/security/selinux/ss/services.c
b/security/selinux/ss/services.c
index 082b20c78363..2f20b5f974f4 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -155,7 +155,7 @@ static int selinux_set_mapping(struct policydb *pol,
                }

                k = 0;
-               while (p_in->perms && p_in->perms[k]) {
+               while (p_in->perms[k]) {
                        /* An empty permission string skips ahead */
                        if (!*p_in->perms[k]) {
                                k++;
--
2.12.0.367.g23dc2f6d3c-goog


--
paul moore
www.paul-moore.com
--
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Re: [PATCH] selinux: Remove unnecessary check of array base in selinux_set_mapping()

From: Paul Moore <paul@paul-moore.com>
Date: 2017-03-29 22:59:52

On Thu, Mar 23, 2017 at 1:34 PM, Grant Grundler [off-list ref] wrote:
On Thu, Mar 23, 2017 at 5:08 AM, Paul Moore [off-list ref] wrote:
quoted
On Wed, Mar 22, 2017 at 8:28 PM, Grant Grundler [off-list ref] wrote:
quoted
Ping? Any feedback on this patch?
It's on my list of patches to review, patience please.
No problem! Thank you!

just wanted confirmation it wasn't overlooked.
Merged, thanks for your patience.

-- 
paul moore
www.paul-moore.com
--
To unsubscribe from this list: send the line "unsubscribe linux-security-module" in
the body of a message to majordomo at vger.kernel.org
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