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authorGustavo A. R. Silva <gustavo@embeddedor.com>2020-02-11 15:12:19 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-11 14:04:53 -0800
commit8acd7c56c1b502b745c7b0dc341abcd1415ba5ad (patch)
tree10d61adc49a776286b397b7a07519ec89aa97df9 /MAINTAINERS
parent1f9d6a3d2ebcf1791f4e0f2eb7c96f2197e2205a (diff)
staging: greybus: Replace zero-length array with flexible-array member
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertenly introduced[3] to the codebase from now on. This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Link: https://lore.kernel.org/r/20200211211219.GA673@embeddedor Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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