Revert "fs/fs-writeback: This trace event causes a ICE in the mentioned compiler"

This reverts commit 2746c0d8600f8ca0bfcdf28d42f43a4147fd5268.
fix: ipc/shm.c:1097:2: warning: 'ret' may be used uninitialized in this function

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
fix multiple: sound/usb/mixer.c: warning: '...' may be used uninitialized in this function

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
fix: net/ipv4/tcp_input.c:4386:49: warning: array subscript is above array bounds

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
fix multiple: net/netfilter/nf_conntrack_h323_main.c: warning: '...' may be used uninitialized in this function

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
fix: drivers/staging/prima/CORE/SME/src/btc/btcApi.c:1238:95: warning: array subscript is below array bounds

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
fix: drivers/staging/prima/CORE/SME/src/btc/btcApi.c:1153:68: warning: array subscript is below array bounds

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
fix: drivers/power/pm8921-charger.c:1715:23: warning: array subscript is below array bounds

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>