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authorGustavo A. R. Silva <gustavo@embeddedor.com>2018-10-19 11:19:13 +0200
committerDavid S. Miller <davem@davemloft.net>2018-10-22 19:27:14 -0700
commit81fa7a69c2174ed8de314b9c231ef30a8718e5e1 (patch)
treef6a64bb3d0f936c166444ad9555403771cfd0a10 /include
parent29e270fc32192e7729057963ae7120663856c93e (diff)
downloadlinux-81fa7a69c2174ed8de314b9c231ef30a8718e5e1.tar.bz2
dt-bindings: phy: Update SERDES_MAX to be SERDES_MAX + 1
SERDES_MAX is a valid value to index ctrl->phys in drivers/phy/mscc/phy-ocelot-serdes.c. But, currently, there is an out-of-bounds bug in the mentioned driver when reading from ctrl->phys, because the size of array ctrl->phys is SERDES_MAX. Partially fix this by updating SERDES_MAX to be SERDES6G_MAX + 1. Notice that this is the first part of the solution to the out-of-bounds bug mentioned above. Although this change is not dependent on any other one. Suggested-by: Quentin Schulz <quentin.schulz@bootlin.com> Reviewed-by: Quentin Schulz <quentin.schulz@bootlin.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/dt-bindings/phy/phy-ocelot-serdes.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/dt-bindings/phy/phy-ocelot-serdes.h b/include/dt-bindings/phy/phy-ocelot-serdes.h
index bd28f21206f6..fe70adaca68f 100644
--- a/include/dt-bindings/phy/phy-ocelot-serdes.h
+++ b/include/dt-bindings/phy/phy-ocelot-serdes.h
@@ -7,6 +7,6 @@
#define SERDES1G_MAX SERDES1G(5)
#define SERDES6G(x) (SERDES1G_MAX + 1 + (x))
#define SERDES6G_MAX SERDES6G(2)
-#define SERDES_MAX SERDES6G_MAX
+#define SERDES_MAX (SERDES6G_MAX + 1)
#endif