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With gcc 4.1:
drivers/lightnvm/core.c: In function ‘nvm_remove_tgt’:
drivers/lightnvm/core.c:510: warning: ‘t’ is used uninitialized in this function
Indeed, if no NVM devices have been registered, t will be an
uninitialized pointer, and may be dereferenced later. A call to
nvm_remove_tgt() can be triggered from userspace by issuing the
NVM_DEV_REMOVE ioctl on the lightnvm control device.
Fix this by preinitializing t to NULL.
Fixes: 843f2edbdde085b4 ("lightnvm: do not remove instance under global lock")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2f5af4ab7d